Subtract 36/40 from 72/24
1st number: 3 0/24, 2nd number: 36/40
72/24 - 36/40 is 21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
72/24 = 72 × 5/24 × 5 = 360/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
36/40 = 36 × 3/40 × 3 = 108/120 - Subtract the two like fractions:
360/120 - 108/120 = 360 - 108/120 = 252/120 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
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