Add 56/10 and 40/63, Solve 5 6/10 + 40/63 as a fraction

Add 56/10 and 40/63

1^st number: 5 6/10, 2^nd number: 40/63

56/10 + 40/63 is 1964/315.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 10 × 63 = 630,
56/10 = 56 × 63/10 × 63 = 3528/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
40/63 = 40 × 10/63 × 10 = 400/630
Add the two like fractions:
3528/630 + 400/630 = 3528 + 400/630 = 3928/630
3928/630 simplified gives 1964/315
So, 56/10 + 40/63 = 1964/315
In mixed form: 674/315

MathStep (Works offline)

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