Subtract 54/42 from 4/70
1st number: 4/70, 2nd number: 1 12/42
4/70 - 54/42 is -43/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
4/70 = 4 × 3/70 × 3 = 12/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
54/42 = 54 × 5/42 × 5 = 270/210 - Subtract the two like fractions:
12/210 - 270/210 = 12 - 270/210 = -258/210 - After reducing the fraction, the answer is -43/35
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