Subtract 7/90 from 30/15
1st number: 2 0/15, 2nd number: 7/90
30/15 - 7/90 is 173/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
30/15 = 30 × 6/15 × 6 = 180/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Subtract the two like fractions:
180/90 - 7/90 = 180 - 7/90 = 173/90 - In mixed form: 183/90
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