Add 63/4 and 56/40
1st number: 15 3/4, 2nd number: 1 16/40
63/4 + 56/40 is 343/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
63/4 = 63 × 10/4 × 10 = 630/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
56/40 = 56 × 1/40 × 1 = 56/40 - Add the two like fractions:
630/40 + 56/40 = 630 + 56/40 = 686/40 - 686/40 simplified gives 343/20
- So, 63/4 + 56/40 = 343/20
In mixed form: 173/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8+56/40 63/4+56/80 63/12+56/40 63/20+56/40 63/28+56/40