Add 28/56 and 24/40
28/56 + 24/40 is 11/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
28/56 = 28 × 5/56 × 5 = 140/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
24/40 = 24 × 7/40 × 7 = 168/280 - Add the two like fractions:
140/280 + 168/280 = 140 + 168/280 = 308/280 - 308/280 simplified gives 11/10
- So, 28/56 + 24/40 = 11/10
In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56+48/40 28/56+24/80 84/56+24/40 28/56+72/40