Subtract 70/7 from 40/16
1st number: 2 8/16, 2nd number: 10 0/7
40/16 - 70/7 is -15/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 7 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
40/16 = 40 × 7/16 × 7 = 280/112 - Likewise, for the 2nd fraction, since 7 × 16 = 112,
70/7 = 70 × 16/7 × 16 = 1120/112 - Subtract the two like fractions:
280/112 - 1120/112 = 280 - 1120/112 = -840/112 - After reducing the fraction, the answer is -15/2
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