Subtract 12/7 from 3/24, Solve 3/24

Subtract 12/7 from 3/24

1^st number: 3/24, 2^nd number: 1 5/7

3/24 - 12/7 is -89/56.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 7 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
3/24 = 3 × 7/24 × 7 = 21/168
Likewise, for the 2nd fraction, since 7 × 24 = 168,
12/7 = 12 × 24/7 × 24 = 288/168
Subtract the two like fractions:
21/168 - 288/168 = 21 - 288/168 = -267/168
After reducing the fraction, the answer is -89/56

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