Subtract 15/90 from 20/16
1st number: 1 4/16, 2nd number: 15/90
20/16 - 15/90 is 13/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
20/16 = 20 × 45/16 × 45 = 900/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
15/90 = 15 × 8/90 × 8 = 120/720 - Subtract the two like fractions:
900/720 - 120/720 = 900 - 120/720 = 780/720 - After reducing the fraction, the answer is 13/12
- In mixed form: 11/12
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