Subtract 70/32 from 28/90
1st number: 28/90, 2nd number: 2 6/32
28/90 - 70/32 is -1351/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
28/90 = 28 × 16/90 × 16 = 448/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
70/32 = 70 × 45/32 × 45 = 3150/1440 - Subtract the two like fractions:
448/1440 - 3150/1440 = 448 - 3150/1440 = -2702/1440 - After reducing the fraction, the answer is -1351/720
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