Subtract 16/90 from 45/30
1st number: 1 15/30, 2nd number: 16/90
45/30 - 16/90 is 119/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
45/30 = 45 × 3/30 × 3 = 135/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
16/90 = 16 × 1/90 × 1 = 16/90 - Subtract the two like fractions:
135/90 - 16/90 = 135 - 16/90 = 119/90 - In mixed form: 129/90
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