Subtract 28/7 from 28/25, Solve 1 3/25

Subtract 28/7 from 28/25

1^st number: 1 3/25, 2^nd number: 4 0/7

28/25 - 28/7 is -72/25.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175

Next, find the equivalent fraction of both fractional numbers with denominator 175
For the 1st fraction, since 25 × 7 = 175,
28/25 = 28 × 7/25 × 7 = 196/175
Likewise, for the 2nd fraction, since 7 × 25 = 175,
28/7 = 28 × 25/7 × 25 = 700/175
Subtract the two like fractions:
196/175 - 700/175 = 196 - 700/175 = -504/175
After reducing the fraction, the answer is -72/25

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