Add 80/63 and 20/35
1st number: 1 17/63, 2nd number: 20/35
80/63 + 20/35 is 116/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 35 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 35 × 9 = 315,
20/35 = 20 × 9/35 × 9 = 180/315 - Add the two like fractions:
400/315 + 180/315 = 400 + 180/315 = 580/315 - 580/315 simplified gives 116/63
- So, 80/63 + 20/35 = 116/63
In mixed form: 153/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+40/35 80/63+20/70 80/63+60/35