Subtract 45/16 from 70/63
1st number: 1 7/63, 2nd number: 2 13/16
70/63 - 45/16 is -245/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 16 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 63 × 16 = 1008,
70/63 = 70 × 16/63 × 16 = 1120/1008 - Likewise, for the 2nd fraction, since 16 × 63 = 1008,
45/16 = 45 × 63/16 × 63 = 2835/1008 - Subtract the two like fractions:
1120/1008 - 2835/1008 = 1120 - 2835/1008 = -1715/1008 - After reducing the fraction, the answer is -245/144
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