Add 60/10 and 28/21
1st number: 6 0/10, 2nd number: 1 7/21
60/10 + 28/21 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
60/10 = 60 × 21/10 × 21 = 1260/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
28/21 = 28 × 10/21 × 10 = 280/210 - Add the two like fractions:
1260/210 + 280/210 = 1260 + 280/210 = 1540/210 - 1540/210 simplified gives 22/3
- So, 60/10 + 28/21 = 22/3
In mixed form: 71/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+56/21 60/20+28/21 60/10+28/42 60/10+84/21 60/30+28/21 60/10+28/63 60/50+28/21 60/70+28/21