Subtract 7/20 from 90/40
1st number: 2 10/40, 2nd number: 7/20
90/40 - 7/20 is 19/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
90/40 = 90 × 1/40 × 1 = 90/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
7/20 = 7 × 2/20 × 2 = 14/40 - Subtract the two like fractions:
90/40 - 14/40 = 90 - 14/40 = 76/40 - After reducing the fraction, the answer is 19/10
- In mixed form: 19/10
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