Subtract 90/16 from 7/4
1st number: 1 3/4, 2nd number: 5 10/16
7/4 - 90/16 is -31/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
7/4 = 7 × 4/4 × 4 = 28/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
90/16 = 90 × 1/16 × 1 = 90/16 - Subtract the two like fractions:
28/16 - 90/16 = 28 - 90/16 = -62/16 - After reducing the fraction, the answer is -31/8
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