Subtract 81/14 from 42/35
1st number: 1 7/35, 2nd number: 5 11/14
42/35 - 81/14 is -321/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
42/35 = 42 × 2/35 × 2 = 84/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
81/14 = 81 × 5/14 × 5 = 405/70 - Subtract the two like fractions:
84/70 - 405/70 = 84 - 405/70 = -321/70
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