Add 5/40 and 35/28
1st number: 5/40, 2nd number: 1 7/28
5/40 + 35/28 is 11/8.
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,
5/40 = 5 × 7/40 × 7 = 35/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
35/28 = 35 × 10/28 × 10 = 350/280 - Add the two like fractions:
35/280 + 350/280 = 35 + 350/280 = 385/280 - 385/280 simplified gives 11/8
- So, 5/40 + 35/28 = 11/8
In mixed form: 13/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40+35/28 5/40+70/28 5/80+35/28 5/40+35/56 15/40+35/28 5/40+35/84 25/40+35/28 35/40+35/28