Subtract 4/80 from 72/60
1st number: 1 12/60, 2nd number: 4/80
72/60 - 4/80 is 23/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
72/60 = 72 × 4/60 × 4 = 288/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
4/80 = 4 × 3/80 × 3 = 12/240 - Subtract the two like fractions:
288/240 - 12/240 = 288 - 12/240 = 276/240 - After reducing the fraction, the answer is 23/20
- In mixed form: 13/20
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