Subtract 42/70 from 20/3
1st number: 6 2/3, 2nd number: 42/70
20/3 - 42/70 is 91/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
20/3 = 20 × 70/3 × 70 = 1400/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
42/70 = 42 × 3/70 × 3 = 126/210 - Subtract the two like fractions:
1400/210 - 126/210 = 1400 - 126/210 = 1274/210 - After reducing the fraction, the answer is 91/15
- In mixed form: 61/15
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