Subtract 48/60 from 81/30
1st number: 2 21/30, 2nd number: 48/60
81/30 - 48/60 is 19/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
81/30 = 81 × 2/30 × 2 = 162/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
48/60 = 48 × 1/60 × 1 = 48/60 - Subtract the two like fractions:
162/60 - 48/60 = 162 - 48/60 = 114/60 - After reducing the fraction, the answer is 19/10
- In mixed form: 19/10
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