Subtract 9/24 from 75/30, Solve 2 15/30

Subtract 9/24 from 75/30

1^st number: 2 15/30, 2^nd number: 9/24

75/30 - 9/24 is 17/8.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 30 × 4 = 120,
75/30 = 75 × 4/30 × 4 = 300/120
Likewise, for the 2nd fraction, since 24 × 5 = 120,
9/24 = 9 × 5/24 × 5 = 45/120
Subtract the two like fractions:
300/120 - 45/120 = 300 - 45/120 = 255/120
After reducing the fraction, the answer is 17/8
In mixed form: 21/8

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