Lead to a new denominator: 1) 7 whole 1/2.9 whole 2/5.3 whole 4/5 2)6 whole 3/4.5 whole 9/20.8 whole 6/25.1 whole 3/50 3)2 whole 5/8.3 whole 7/125.6 whole 11/125.4 whole 123/500

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1) a common denominator 10 2) the common denominator 100 as was received: 4=2*2 20=2*2*5 25=5*5 50=2*5*5 NOZ=4*5*5=100 3)8=2*2*2 125=5*5*5 500=2*2*5*5*5 NOZ =8*125=1000 (The Common denominator in the third example)
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Answer add