Subtract 15/80 from 70/12, Solve 5 10/12

Subtract 15/80 from 70/12

1^st number: 5 10/12, 2^nd number: 15/80

70/12 - 15/80 is 271/48.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 12 × 20 = 240,
70/12 = 70 × 20/12 × 20 = 1400/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240
Subtract the two like fractions:
1400/240 - 45/240 = 1400 - 45/240 = 1355/240
After reducing the fraction, the answer is 271/48
In mixed form: 531/48

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