Add 56/63 and 45/49, Solve 56/63 + 45/49 as a fraction

Add 56/63 and 45/49

56/63 + 45/49 is 797/441.

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

Next, find the equivalent fraction of both fractional numbers with denominator 441
For the 1st fraction, since 63 × 7 = 441,
56/63 = 56 × 7/63 × 7 = 392/441
Likewise, for the 2nd fraction, since 49 × 9 = 441,
45/49 = 45 × 9/49 × 9 = 405/441
Add the two like fractions:
392/441 + 405/441 = 392 + 405/441 = 797/441
So, 56/63 + 45/49 = 797/441
In mixed form: 1356/441

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad