Add 15/60 and 2/7
15/60 + 2/7 is 15/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
15/60 = 15 × 7/60 × 7 = 105/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
2/7 = 2 × 60/7 × 60 = 120/420 - Add the two like fractions:
105/420 + 120/420 = 105 + 120/420 = 225/420 - 225/420 simplified gives 15/28
- So, 15/60 + 2/7 = 15/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60+2/7 15/60+4/7 15/60+2/14 45/60+2/7 15/60+6/7 15/60+2/21 75/60+2/7 15/60+10/7 15/60+2/35 15/60+14/7 15/60+2/49