Add 10/8 and 84/63
1st number: 1 2/8, 2nd number: 1 21/63
10/8 + 84/63 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
10/8 = 10 × 63/8 × 63 = 630/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
84/63 = 84 × 8/63 × 8 = 672/504 - Add the two like fractions:
630/504 + 672/504 = 630 + 672/504 = 1302/504 - 1302/504 simplified gives 31/12
- So, 10/8 + 84/63 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8+84/63 10/16+84/63 30/8+84/63 10/24+84/63 50/8+84/63 10/40+84/63 70/8+84/63 10/56+84/63