Subtract 81/70 from 40/3
1st number: 13 1/3, 2nd number: 1 11/70
40/3 - 81/70 is 2557/210.
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,
40/3 = 40 × 70/3 × 70 = 2800/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
81/70 = 81 × 3/70 × 3 = 243/210 - Subtract the two like fractions:
2800/210 - 243/210 = 2800 - 243/210 = 2557/210 - In mixed form: 1237/210
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