Subtract 72/21 from 2/50, Solve 2/50

Subtract 72/21 from 2/50

1^st number: 2/50, 2^nd number: 3 9/21

2/50 - 72/21 is -593/175.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 50 × 21 = 1050,
2/50 = 2 × 21/50 × 21 = 42/1050
Likewise, for the 2nd fraction, since 21 × 50 = 1050,
72/21 = 72 × 50/21 × 50 = 3600/1050
Subtract the two like fractions:
42/1050 - 3600/1050 = 42 - 3600/1050 = -3558/1050
After reducing the fraction, the answer is -593/175

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