Subtract 42/30 from 40/35
1st number: 1 5/35, 2nd number: 1 12/30
40/35 - 42/30 is -9/35.
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,
40/35 = 40 × 6/35 × 6 = 240/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
42/30 = 42 × 7/30 × 7 = 294/210 - Subtract the two like fractions:
240/210 - 294/210 = 240 - 294/210 = -54/210 - After reducing the fraction, the answer is -9/35
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