Subtract 3/20 from 90/8
1st number: 11 2/8, 2nd number: 3/20
90/8 - 3/20 is 111/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
90/8 = 90 × 5/8 × 5 = 450/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
3/20 = 3 × 2/20 × 2 = 6/40 - Subtract the two like fractions:
450/40 - 6/40 = 450 - 6/40 = 444/40 - After reducing the fraction, the answer is 111/10
- In mixed form: 111/10
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