Add 40/49 and 28/63, Solve 40/49 + 28/63 as a fraction

Add 40/49 and 28/63

40/49 + 28/63 is 556/441.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441

Next, find the equivalent fraction of both fractional numbers with denominator 441
For the 1st fraction, since 49 × 9 = 441,
40/49 = 40 × 9/49 × 9 = 360/441
Likewise, for the 2nd fraction, since 63 × 7 = 441,
28/63 = 28 × 7/63 × 7 = 196/441
Add the two like fractions:
360/441 + 196/441 = 360 + 196/441 = 556/441
So, 40/49 + 28/63 = 556/441
In mixed form: 1115/441

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