Subtract 70/36 from 90/25
1st number: 3 15/25, 2nd number: 1 34/36
90/25 - 70/36 is 149/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 25 × 36 = 900,
90/25 = 90 × 36/25 × 36 = 3240/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
70/36 = 70 × 25/36 × 25 = 1750/900 - Subtract the two like fractions:
3240/900 - 1750/900 = 3240 - 1750/900 = 1490/900 - After reducing the fraction, the answer is 149/90
- In mixed form: 159/90
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