Subtract 70/32 from 40/28
1st number: 1 12/28, 2nd number: 2 6/32
40/28 - 70/32 is -85/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 28 × 8 = 224,
40/28 = 40 × 8/28 × 8 = 320/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
70/32 = 70 × 7/32 × 7 = 490/224 - Subtract the two like fractions:
320/224 - 490/224 = 320 - 490/224 = -170/224 - After reducing the fraction, the answer is -85/112
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