Add 80/63 and 14/15
1st number: 1 17/63, 2nd number: 14/15
80/63 + 14/15 is 694/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
80/63 = 80 × 5/63 × 5 = 400/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
14/15 = 14 × 21/15 × 21 = 294/315 - Add the two like fractions:
400/315 + 294/315 = 400 + 294/315 = 694/315 - So, 80/63 + 14/15 = 694/315
In mixed form: 264/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+28/15 80/63+14/30 80/63+42/15 80/63+14/45 80/63+70/15 80/63+14/75 80/63+98/15