Subtract 90/60 from 72/5
1st number: 14 2/5, 2nd number: 1 30/60
72/5 - 90/60 is 129/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
72/5 = 72 × 12/5 × 12 = 864/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
90/60 = 90 × 1/60 × 1 = 90/60 - Subtract the two like fractions:
864/60 - 90/60 = 864 - 90/60 = 774/60 - After reducing the fraction, the answer is 129/10
- In mixed form: 129/10
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