Add 60/21 and 10/9
1st number: 2 18/21, 2nd number: 1 1/9
60/21 + 10/9 is 250/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
60/21 = 60 × 3/21 × 3 = 180/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
10/9 = 10 × 7/9 × 7 = 70/63 - Add the two like fractions:
180/63 + 70/63 = 180 + 70/63 = 250/63 - So, 60/21 + 10/9 = 250/63
In mixed form: 361/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+20/9 60/42+10/9 60/21+10/18 60/21+30/9 60/63+10/9 60/21+10/27 60/21+50/9 60/21+10/45 60/21+70/9 60/21+10/63