Subtract 3/70 from 27/42
27/42 - 3/70 is 3/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
27/42 = 27 × 5/42 × 5 = 135/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
3/70 = 3 × 3/70 × 3 = 9/210 - Subtract the two like fractions:
135/210 - 9/210 = 135 - 9/210 = 126/210 - After reducing the fraction, the answer is 3/5
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