Add 80/63 and 8/5
1st number: 1 17/63, 2nd number: 1 3/5
80/63 + 8/5 is 904/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 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 5 × 63 = 315,
8/5 = 8 × 63/5 × 63 = 504/315 - Add the two like fractions:
400/315 + 504/315 = 400 + 504/315 = 904/315 - So, 80/63 + 8/5 = 904/315
In mixed form: 2274/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+16/5 80/63+8/10 80/63+24/5 80/63+8/15 80/63+40/5 80/63+8/25 80/63+56/5 80/63+8/35