Subtract 7/30 from 45/20
1st number: 2 5/20, 2nd number: 7/30
45/20 - 7/30 is 121/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
7/30 = 7 × 2/30 × 2 = 14/60 - Subtract the two like fractions:
135/60 - 14/60 = 135 - 14/60 = 121/60 - In mixed form: 21/60
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