Subtract 1/80 from 72/60
1st number: 1 12/60, 2nd number: 1/80
72/60 - 1/80 is 19/16.
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,
1/80 = 1 × 3/80 × 3 = 3/240 - Subtract the two like fractions:
288/240 - 3/240 = 288 - 3/240 = 285/240 - After reducing the fraction, the answer is 19/16
- In mixed form: 13/16
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