Subtract 14/24 from 90/20, Solve 4 10/20

Subtract 14/24 from 90/20

1^st number: 4 10/20, 2^nd number: 14/24

90/20 - 14/24 is 47/12.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 20 × 6 = 120,
90/20 = 90 × 6/20 × 6 = 540/120
Likewise, for the 2nd fraction, since 24 × 5 = 120,
14/24 = 14 × 5/24 × 5 = 70/120
Subtract the two like fractions:
540/120 - 70/120 = 540 - 70/120 = 470/120
After reducing the fraction, the answer is 47/12
In mixed form: 311/12

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