Add 15/40 and 60/28
1st number: 15/40, 2nd number: 2 4/28
15/40 + 60/28 is 141/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
60/28 = 60 × 10/28 × 10 = 600/280 - Add the two like fractions:
105/280 + 600/280 = 105 + 600/280 = 705/280 - 705/280 simplified gives 141/56
- So, 15/40 + 60/28 = 141/56
In mixed form: 229/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40+60/28 15/80+60/28 15/40+60/56 45/40+60/28 15/40+60/84 75/40+60/28