Add 7/24 and 84/63
1st number: 7/24, 2nd number: 1 21/63
7/24 + 84/63 is 13/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 24 × 21 = 504,
7/24 = 7 × 21/24 × 21 = 147/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
84/63 = 84 × 8/63 × 8 = 672/504 - Add the two like fractions:
147/504 + 672/504 = 147 + 672/504 = 819/504 - 819/504 simplified gives 13/8
- So, 7/24 + 84/63 = 13/8
In mixed form: 15/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/24+84/63 7/48+84/63 21/24+84/63 7/72+84/63 35/24+84/63 49/24+84/63