Subtract 40/70 from 81/35, Solve 2 11/35

Subtract 40/70 from 81/35

1^st number: 2 11/35, 2^nd number: 40/70

81/35 - 40/70 is 61/35.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 70 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 35 × 2 = 70,
81/35 = 81 × 2/35 × 2 = 162/70
Likewise, for the 2nd fraction, since 70 × 1 = 70,
40/70 = 40 × 1/70 × 1 = 40/70
Subtract the two like fractions:
162/70 - 40/70 = 162 - 40/70 = 122/70
After reducing the fraction, the answer is 61/35
In mixed form: 126/35

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