Subtract 2/60 from 90/20
1st number: 4 10/20, 2nd number: 2/60
90/20 - 2/60 is 67/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
90/20 = 90 × 3/20 × 3 = 270/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
2/60 = 2 × 1/60 × 1 = 2/60 - Subtract the two like fractions:
270/60 - 2/60 = 270 - 2/60 = 268/60 - After reducing the fraction, the answer is 67/15
- In mixed form: 47/15
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