Subtract 90/25 from 81/16
1st number: 5 1/16, 2nd number: 3 15/25
81/16 - 90/25 is 117/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 25 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 16 × 25 = 400,
81/16 = 81 × 25/16 × 25 = 2025/400 - Likewise, for the 2nd fraction, since 25 × 16 = 400,
90/25 = 90 × 16/25 × 16 = 1440/400 - Subtract the two like fractions:
2025/400 - 1440/400 = 2025 - 1440/400 = 585/400 - After reducing the fraction, the answer is 117/80
- In mixed form: 137/80
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