Subtract 30/28 from 72/50, Solve 1 22/50

Subtract 30/28 from 72/50

1^st number: 1 22/50, 2^nd number: 1 2/28

72/50 - 30/28 is 129/350.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 28 is 700

Next, find the equivalent fraction of both fractional numbers with denominator 700
For the 1st fraction, since 50 × 14 = 700,
72/50 = 72 × 14/50 × 14 = 1008/700
Likewise, for the 2nd fraction, since 28 × 25 = 700,
30/28 = 30 × 25/28 × 25 = 750/700
Subtract the two like fractions:
1008/700 - 750/700 = 1008 - 750/700 = 258/700
After reducing the fraction, the answer is 129/350

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