Subtract 8/21 from 80/36, Solve 2 8/36

Subtract 8/21 from 80/36

1^st number: 2 8/36, 2^nd number: 8/21

80/36 - 8/21 is 116/63.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 21 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
80/36 = 80 × 7/36 × 7 = 560/252
Likewise, for the 2nd fraction, since 21 × 12 = 252,
8/21 = 8 × 12/21 × 12 = 96/252
Subtract the two like fractions:
560/252 - 96/252 = 560 - 96/252 = 464/252
After reducing the fraction, the answer is 116/63
In mixed form: 153/63

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