Subtract 15/16 from 70/25
1st number: 2 20/25, 2nd number: 15/16
70/25 - 15/16 is 149/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
70/25 = 70 × 16/25 × 16 = 1120/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
15/16 = 15 × 25/16 × 25 = 375/400 - Subtract the two like fractions:
1120/400 - 375/400 = 1120 - 375/400 = 745/400 - After reducing the fraction, the answer is 149/80
- In mixed form: 169/80
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