Subtract 14/42 from 49/70
49/70 - 14/42 is 11/30.
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,
49/70 = 49 × 3/70 × 3 = 147/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
14/42 = 14 × 5/42 × 5 = 70/210 - Subtract the two like fractions:
147/210 - 70/210 = 147 - 70/210 = 77/210 - After reducing the fraction, the answer is 11/30
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