Subtract 81/70 from 18/6
1st number: 3 0/6, 2nd number: 1 11/70
18/6 - 81/70 is 129/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
18/6 = 18 × 35/6 × 35 = 630/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
81/70 = 81 × 3/70 × 3 = 243/210 - Subtract the two like fractions:
630/210 - 243/210 = 630 - 243/210 = 387/210 - After reducing the fraction, the answer is 129/70
- In mixed form: 159/70
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