Subtract 45/42 from 7/16
1st number: 7/16, 2nd number: 1 3/42
7/16 - 45/42 is -71/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
7/16 = 7 × 21/16 × 21 = 147/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
45/42 = 45 × 8/42 × 8 = 360/336 - Subtract the two like fractions:
147/336 - 360/336 = 147 - 360/336 = -213/336 - After reducing the fraction, the answer is -71/112
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