Subtract 42/7 from 60/70
1st number: 60/70, 2nd number: 6 0/7
60/70 - 42/7 is -36/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
60/70 = 60 × 1/70 × 1 = 60/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
42/7 = 42 × 10/7 × 10 = 420/70 - Subtract the two like fractions:
60/70 - 420/70 = 60 - 420/70 = -360/70 - After reducing the fraction, the answer is -36/7
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