Subtract 7/30 from 90/45
1st number: 2 0/45, 2nd number: 7/30
90/45 - 7/30 is 53/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
90/45 = 90 × 2/45 × 2 = 180/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
7/30 = 7 × 3/30 × 3 = 21/90 - Subtract the two like fractions:
180/90 - 21/90 = 180 - 21/90 = 159/90 - After reducing the fraction, the answer is 53/30
- In mixed form: 123/30
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