Subtract 20/8 from 80/25, Solve 3 5/25

Subtract 20/8 from 80/25

1^st number: 3 5/25, 2^nd number: 2 4/8

80/25 - 20/8 is 7/10.

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,
80/25 = 80 × 8/25 × 8 = 640/200
Likewise, for the 2nd fraction, since 8 × 25 = 200,
20/8 = 20 × 25/8 × 25 = 500/200
Subtract the two like fractions:
640/200 - 500/200 = 640 - 500/200 = 140/200
After reducing the fraction, the answer is 7/10

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