Add 60/9 and 20/7
1st number: 6 6/9, 2nd number: 2 6/7
60/9 + 20/7 is 200/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
60/9 = 60 × 7/9 × 7 = 420/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
20/7 = 20 × 9/7 × 9 = 180/63 - Add the two like fractions:
420/63 + 180/63 = 420 + 180/63 = 600/63 - 600/63 simplified gives 200/21
- So, 60/9 + 20/7 = 200/21
In mixed form: 911/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+40/7 60/18+20/7 60/9+20/14 60/9+60/7 60/27+20/7 60/9+20/21 60/45+20/7 60/9+20/35 60/63+20/7 60/9+20/49