Compare 50/21 and 4/10, Which fraction is greater?

Compare 50/21 and 4/10

1^st number: 2 8/21, 2^nd number: 4/10

50/21 is greater than 4/10

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
50/21 = 50 × 10/21 × 10 = 500/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
4/10 = 4 × 21/10 × 21 = 84/210
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
500/210 > 84/210 or 50/21 > 4/10

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