Subtract 9/20 from 72/24
1st number: 3 0/24, 2nd number: 9/20
72/24 - 9/20 is 51/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 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 20 × 6 = 120,
9/20 = 9 × 6/20 × 6 = 54/120 - Subtract the two like fractions:
360/120 - 54/120 = 360 - 54/120 = 306/120 - After reducing the fraction, the answer is 51/20
- In mixed form: 211/20
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