Subtract 63/70 from 42/5
1st number: 8 2/5, 2nd number: 63/70
42/5 - 63/70 is 15/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
42/5 = 42 × 14/5 × 14 = 588/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
63/70 = 63 × 1/70 × 1 = 63/70 - Subtract the two like fractions:
588/70 - 63/70 = 588 - 63/70 = 525/70 - After reducing the fraction, the answer is 15/2
- In mixed form: 71/2
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