Subtract 81/70 from 70/10
1st number: 7 0/10, 2nd number: 1 11/70
70/10 - 81/70 is 409/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
70/10 = 70 × 7/10 × 7 = 490/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
81/70 = 81 × 1/70 × 1 = 81/70 - Subtract the two like fractions:
490/70 - 81/70 = 490 - 81/70 = 409/70 - In mixed form: 559/70
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