Subtract 90/49 from 81/32
1st number: 2 17/32, 2nd number: 1 41/49
81/32 - 90/49 is 1089/1568.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 49 is 1568
Next, find the equivalent fraction of both fractional numbers with denominator 1568 - For the 1st fraction, since 32 × 49 = 1568,
81/32 = 81 × 49/32 × 49 = 3969/1568 - Likewise, for the 2nd fraction, since 49 × 32 = 1568,
90/49 = 90 × 32/49 × 32 = 2880/1568 - Subtract the two like fractions:
3969/1568 - 2880/1568 = 3969 - 2880/1568 = 1089/1568
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