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

Subtract 28/7 from 1/25

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

1/25 - 28/7 is -99/25.

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,
1/25 = 1 × 7/25 × 7 = 7/175
Likewise, for the 2nd fraction, since 7 × 25 = 175,
28/7 = 28 × 25/7 × 25 = 700/175
Subtract the two like fractions:
7/175 - 700/175 = 7 - 700/175 = -693/175
After reducing the fraction, the answer is -99/25

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