Add 20/7 and 28/60
1st number: 2 6/7, 2nd number: 28/60
20/7 + 28/60 is 349/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
20/7 = 20 × 60/7 × 60 = 1200/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
28/60 = 28 × 7/60 × 7 = 196/420 - Add the two like fractions:
1200/420 + 196/420 = 1200 + 196/420 = 1396/420 - 1396/420 simplified gives 349/105
- So, 20/7 + 28/60 = 349/105
In mixed form: 334/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/7+28/60 20/7+56/60 20/14+28/60 60/7+28/60 20/7+84/60 20/21+28/60 20/35+28/60 20/49+28/60