Subtract 3/60 from 90/5
1st number: 18 0/5, 2nd number: 3/60
90/5 - 3/60 is 359/20.
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,
90/5 = 90 × 12/5 × 12 = 1080/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
3/60 = 3 × 1/60 × 1 = 3/60 - Subtract the two like fractions:
1080/60 - 3/60 = 1080 - 3/60 = 1077/60 - After reducing the fraction, the answer is 359/20
- In mixed form: 1719/20
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