Subtract 15/42 from 70/5
1st number: 14 0/5, 2nd number: 15/42
70/5 - 15/42 is 191/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
70/5 = 70 × 42/5 × 42 = 2940/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
15/42 = 15 × 5/42 × 5 = 75/210 - Subtract the two like fractions:
2940/210 - 75/210 = 2940 - 75/210 = 2865/210 - After reducing the fraction, the answer is 191/14
- In mixed form: 139/14
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