Subtract 70/30 from 42/35
1st number: 1 7/35, 2nd number: 2 10/30
42/35 - 70/30 is -17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
42/35 = 42 × 6/35 × 6 = 252/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
70/30 = 70 × 7/30 × 7 = 490/210 - Subtract the two like fractions:
252/210 - 490/210 = 252 - 490/210 = -238/210 - After reducing the fraction, the answer is -17/15
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