Subtract 90/8 from 70/25
1st number: 2 20/25, 2nd number: 11 2/8
70/25 - 90/8 is -169/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
70/25 = 70 × 8/25 × 8 = 560/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
90/8 = 90 × 25/8 × 25 = 2250/200 - Subtract the two like fractions:
560/200 - 2250/200 = 560 - 2250/200 = -1690/200 - After reducing the fraction, the answer is -169/20
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