Compare 25/42 and 20/5, Which fraction is greater?

Compare 25/42 and 20/5

1^st number: 25/42, 2^nd number: 4 0/5

25/42 is smaller than 20/5

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
25/42 = 25 × 5/42 × 5 = 125/210
Likewise, for the 2nd fraction, since 5 × 42 = 210,
20/5 = 20 × 42/5 × 42 = 840/210
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
125/210 < 840/210 or 25/42 < 20/5

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