Compare 42/56 and 30/80, Which fraction is greater?

Compare 42/56 and 30/80

42/56 is greater than 30/80

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 56 × 10 = 560,
42/56 = 42 × 10/56 × 10 = 420/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
30/80 = 30 × 7/80 × 7 = 210/560
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
420/560 > 210/560 or 42/56 > 30/80

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