Subtract 49/16 from 90/63
1st number: 1 27/63, 2nd number: 3 1/16
90/63 - 49/16 is -183/112.
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,
90/63 = 90 × 16/63 × 16 = 1440/1008 - Likewise, for the 2nd fraction, since 16 × 63 = 1008,
49/16 = 49 × 63/16 × 63 = 3087/1008 - Subtract the two like fractions:
1440/1008 - 3087/1008 = 1440 - 3087/1008 = -1647/1008 - After reducing the fraction, the answer is -183/112
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