Subtract 98/49 from 21/50, Solve 21/50

Subtract 98/49 from 21/50

1^st number: 21/50, 2^nd number: 2 0/49

21/50 - 98/49 is -79/50.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 49 is 2450

Next, find the equivalent fraction of both fractional numbers with denominator 2450
For the 1st fraction, since 50 × 49 = 2450,
21/50 = 21 × 49/50 × 49 = 1029/2450
Likewise, for the 2nd fraction, since 49 × 50 = 2450,
98/49 = 98 × 50/49 × 50 = 4900/2450
Subtract the two like fractions:
1029/2450 - 4900/2450 = 1029 - 4900/2450 = -3871/2450
After reducing the fraction, the answer is -79/50

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