Subtract 81/60 from 28/4
1st number: 7 0/4, 2nd number: 1 21/60
28/4 - 81/60 is 113/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
28/4 = 28 × 15/4 × 15 = 420/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Subtract the two like fractions:
420/60 - 81/60 = 420 - 81/60 = 339/60 - After reducing the fraction, the answer is 113/20
- In mixed form: 513/20
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