Compare 98/80 and 21/50, Which fraction is greater?

Compare 98/80 and 21/50

1^st number: 1 18/80, 2^nd number: 21/50

98/80 is greater than 21/50

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400

Next, find the equivalent fraction of both fractional numbers with denominator 400
For the 1st fraction, since 80 × 5 = 400,
98/80 = 98 × 5/80 × 5 = 490/400
Likewise, for the 2nd fraction, since 50 × 8 = 400,
21/50 = 21 × 8/50 × 8 = 168/400
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
490/400 > 168/400 or 98/80 > 21/50

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