Subtract 20/8 from 10/25, Solve 10/25

Subtract 20/8 from 10/25

1^st number: 10/25, 2^nd number: 2 4/8

10/25 - 20/8 is -21/10.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200

Next, find the equivalent fraction of both fractional numbers with denominator 200
For the 1st fraction, since 25 × 8 = 200,
10/25 = 10 × 8/25 × 8 = 80/200
Likewise, for the 2nd fraction, since 8 × 25 = 200,
20/8 = 20 × 25/8 × 25 = 500/200
Subtract the two like fractions:
80/200 - 500/200 = 80 - 500/200 = -420/200
After reducing the fraction, the answer is -21/10

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