Subtract 30/14 from 20/25, Solve 20/25

Subtract 30/14 from 20/25

1^st number: 20/25, 2^nd number: 2 2/14

20/25 - 30/14 is -47/35.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 14 is 350

Next, find the equivalent fraction of both fractional numbers with denominator 350
For the 1st fraction, since 25 × 14 = 350,
20/25 = 20 × 14/25 × 14 = 280/350
Likewise, for the 2nd fraction, since 14 × 25 = 350,
30/14 = 30 × 25/14 × 25 = 750/350
Subtract the two like fractions:
280/350 - 750/350 = 280 - 750/350 = -470/350
After reducing the fraction, the answer is -47/35

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