Add 63/4 and 81/10
1st number: 15 3/4, 2nd number: 8 1/10
63/4 + 81/10 is 477/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
63/4 = 63 × 5/4 × 5 = 315/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
81/10 = 81 × 2/10 × 2 = 162/20 - Add the two like fractions:
315/20 + 162/20 = 315 + 162/20 = 477/20 - So, 63/4 + 81/10 = 477/20
In mixed form: 2317/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8+81/10 63/4+81/20 63/12+81/10 63/4+81/30 63/20+81/10 63/4+81/50 63/28+81/10 63/4+81/70