Add 84/8 and 80/63
1st number: 10 4/8, 2nd number: 1 17/63
84/8 + 80/63 is 1483/126.
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,
84/8 = 84 × 63/8 × 63 = 5292/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
80/63 = 80 × 8/63 × 8 = 640/504 - Add the two like fractions:
5292/504 + 640/504 = 5292 + 640/504 = 5932/504 - 5932/504 simplified gives 1483/126
- So, 84/8 + 80/63 = 1483/126
In mixed form: 1197/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16+80/63 84/24+80/63 84/40+80/63 84/56+80/63