Subtract 14/81 from 56/35, Solve 1 21/35

Subtract 14/81 from 56/35

1^st number: 1 21/35, 2^nd number: 14/81

56/35 - 14/81 is 578/405.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 81 is 2835

Next, find the equivalent fraction of both fractional numbers with denominator 2835
For the 1st fraction, since 35 × 81 = 2835,
56/35 = 56 × 81/35 × 81 = 4536/2835
Likewise, for the 2nd fraction, since 81 × 35 = 2835,
14/81 = 14 × 35/81 × 35 = 490/2835
Subtract the two like fractions:
4536/2835 - 490/2835 = 4536 - 490/2835 = 4046/2835
After reducing the fraction, the answer is 578/405
In mixed form: 1173/405

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