Subtract 81/35 from 7/2
1st number: 3 1/2, 2nd number: 2 11/35
7/2 - 81/35 is 83/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
7/2 = 7 × 35/2 × 35 = 245/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
81/35 = 81 × 2/35 × 2 = 162/70 - Subtract the two like fractions:
245/70 - 162/70 = 245 - 162/70 = 83/70 - In mixed form: 113/70
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