Subtract 20/7 from 70/5
1st number: 14 0/5, 2nd number: 2 6/7
70/5 - 20/7 is 78/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
70/5 = 70 × 7/5 × 7 = 490/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
20/7 = 20 × 5/7 × 5 = 100/35 - Subtract the two like fractions:
490/35 - 100/35 = 490 - 100/35 = 390/35 - After reducing the fraction, the answer is 78/7
- In mixed form: 111/7
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