Subtract 3/49 from 84/40, Solve 2 4/40

Subtract 3/49 from 84/40

1^st number: 2 4/40, 2^nd number: 3/49

84/40 - 3/49 is 999/490.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1960
For the 1st fraction, since 40 × 49 = 1960,
84/40 = 84 × 49/40 × 49 = 4116/1960
Likewise, for the 2nd fraction, since 49 × 40 = 1960,
3/49 = 3 × 40/49 × 40 = 120/1960
Subtract the two like fractions:
4116/1960 - 120/1960 = 4116 - 120/1960 = 3996/1960
After reducing the fraction, the answer is 999/490
In mixed form: 219/490

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