Subtract 14/40 from 25/7, Solve 3 4/7

Subtract 14/40 from 25/7

1^st number: 3 4/7, 2^nd number: 14/40

25/7 - 14/40 is 451/140.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 7 × 40 = 280,
25/7 = 25 × 40/7 × 40 = 1000/280
Likewise, for the 2nd fraction, since 40 × 7 = 280,
14/40 = 14 × 7/40 × 7 = 98/280
Subtract the two like fractions:
1000/280 - 98/280 = 1000 - 98/280 = 902/280
After reducing the fraction, the answer is 451/140
In mixed form: 331/140

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