Subtract 20/60 from 72/15
1st number: 4 12/15, 2nd number: 20/60
72/15 - 20/60 is 67/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
72/15 = 72 × 4/15 × 4 = 288/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
20/60 = 20 × 1/60 × 1 = 20/60 - Subtract the two like fractions:
288/60 - 20/60 = 288 - 20/60 = 268/60 - After reducing the fraction, the answer is 67/15
- In mixed form: 47/15
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