Subtract 90/7 from 35/2
1st number: 17 1/2, 2nd number: 12 6/7
35/2 - 90/7 is 65/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
35/2 = 35 × 7/2 × 7 = 245/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
90/7 = 90 × 2/7 × 2 = 180/14 - Subtract the two like fractions:
245/14 - 180/14 = 245 - 180/14 = 65/14 - In mixed form: 49/14
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