This math practice sheet covers converting metric volume units and mastering fraction operations like finding equivalents and simplifying.

Final Answer:
423. 50 l = 0.05 kl
424. 6 kl = 6000 l
425. 20 l = 0.02 kl
426. 2 l = 0.002 kl
427. 80 kl = 80,000 l
428. 9 kl = 9,000 l

429. 1/2 = 9/18 = 8/16
430. 2/5 = 18/45 = 14/35
431. 8/9 = 72/81 = 40/45
432. 2/3 = 16/24 = 8/12
433. 5/7 = 25/35 = 15/21
434. 5/8 = 30/48 = 45/72
435. 3/6 = 21/42 = 6/12
436. 1/2 = 9/18 = 2/4
437. 5/7 = 50/70 = 45/63
438. 3/9 = 30/90 = 2/6
439. 2/4 = 18/36 = 4/8
440. 7/8 = 35/40 = 49/56
441. 3/5 = 18/30 = 6/10
442. 4/10 = 40/100 = 2/5
443. 1/3 = 10/30 = 2/6
444. 1/3 = 2/6 = 10/30
445. 3/10 = 18/60 = 24/80
446. 6/9 = 48/72 = 42/63
447. 5/6 = 40/48 = 35/42
448. 3/4 = 21/28 = 9/12
449. 2/7 = 12/42 = 14/49
450. 6/8 = 24/32 = 12/16
451. 1/5 = 5/25 = 7/35
452. 1/2 = 7/14 = 8/16
453. 3/4 = 12/16 = 9/12
454. 3/9 = 18/54 = 27/81
455. 6/7 = 54/63 = 42/49

456. 25/90 = 5/18
457. 48/72 = 2/3
458. 8/12 = 2/3
459. 120/136 = 15/17
460. 8/10 = 4/5
461. 9/90 = 1/10
462. 30/35 = 6/7
463. 96/112 = 6/7
464. 96/120 = 4/5
465. 4/8 = 1/2
466. 16/32 = 1/2
467. 14/24 = 7/12
468. 6/26 = 3/13
469. 36/48 = 3/4
470. 6/36 = 1/6
471. 10/32 = 5/16
472. 16/24 = 2/3
473. 30/33 = 10/11
474. 45/60 = 3/4
475. 8/24 = 1/3