Add 80/7 and 60/63
1st number: 11 3/7, 2nd number: 60/63
80/7 + 60/63 is 260/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
80/7 = 80 × 9/7 × 9 = 720/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
60/63 = 60 × 1/63 × 1 = 60/63 - Add the two like fractions:
720/63 + 60/63 = 720 + 60/63 = 780/63 - 780/63 simplified gives 260/21
- So, 80/7 + 60/63 = 260/21
In mixed form: 128/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14+60/63 80/21+60/63 80/35+60/63 80/49+60/63