Subtract 5/40 from 56/49, Solve 1 7/49

Subtract 5/40 from 56/49

1^st number: 1 7/49, 2^nd number: 5/40

56/49 - 5/40 is 57/56.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960

Next, find the equivalent fraction of both fractional numbers with denominator 1960
For the 1st fraction, since 49 × 40 = 1960,
56/49 = 56 × 40/49 × 40 = 2240/1960
Likewise, for the 2nd fraction, since 40 × 49 = 1960,
5/40 = 5 × 49/40 × 49 = 245/1960
Subtract the two like fractions:
2240/1960 - 245/1960 = 2240 - 245/1960 = 1995/1960
After reducing the fraction, the answer is 57/56
In mixed form: 11/56

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