Subtract 45/60 from 72/30
1st number: 2 12/30, 2nd number: 45/60
72/30 - 45/60 is 33/20.
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,
72/30 = 72 × 2/30 × 2 = 144/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
45/60 = 45 × 1/60 × 1 = 45/60 - Subtract the two like fractions:
144/60 - 45/60 = 144 - 45/60 = 99/60 - After reducing the fraction, the answer is 33/20
- In mixed form: 113/20
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