Subtract 9/70 from 49/42
1st number: 1 7/42, 2nd number: 9/70
49/42 - 9/70 is 109/105.
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,
49/42 = 49 × 5/42 × 5 = 245/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
9/70 = 9 × 3/70 × 3 = 27/210 - Subtract the two like fractions:
245/210 - 27/210 = 245 - 27/210 = 218/210 - After reducing the fraction, the answer is 109/105
- In mixed form: 14/105
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