Subtract 42/72 from 70/7
1st number: 10 0/7, 2nd number: 42/72
70/7 - 42/72 is 113/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
70/7 = 70 × 72/7 × 72 = 5040/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
42/72 = 42 × 7/72 × 7 = 294/504 - Subtract the two like fractions:
5040/504 - 294/504 = 5040 - 294/504 = 4746/504 - After reducing the fraction, the answer is 113/12
- In mixed form: 95/12
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