Subtract 12/24 from 7/5, Solve 1 2/5

Subtract 12/24 from 7/5

1^st number: 1 2/5, 2^nd number: 12/24

7/5 - 12/24 is 9/10.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 24 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 5 × 24 = 120,
7/5 = 7 × 24/5 × 24 = 168/120
Likewise, for the 2nd fraction, since 24 × 5 = 120,
12/24 = 12 × 5/24 × 5 = 60/120
Subtract the two like fractions:
168/120 - 60/120 = 168 - 60/120 = 108/120
After reducing the fraction, the answer is 9/10

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