Add 80/63 and 12/8
1st number: 1 17/63, 2nd number: 1 4/8
80/63 + 12/8 is 349/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
80/63 = 80 × 8/63 × 8 = 640/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
12/8 = 12 × 63/8 × 63 = 756/504 - Add the two like fractions:
640/504 + 756/504 = 640 + 756/504 = 1396/504 - 1396/504 simplified gives 349/126
- So, 80/63 + 12/8 = 349/126
In mixed form: 297/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+24/8 80/63+12/16 80/63+36/8 80/63+12/24 80/63+60/8 80/63+12/40 80/63+84/8 80/63+12/56