Add 27/28 and 24/40
27/28 + 24/40 is 219/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
27/28 = 27 × 10/28 × 10 = 270/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
24/40 = 24 × 7/40 × 7 = 168/280 - Add the two like fractions:
270/280 + 168/280 = 270 + 168/280 = 438/280 - 438/280 simplified gives 219/140
- So, 27/28 + 24/40 = 219/140
In mixed form: 179/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28+24/40 27/28+48/40 27/56+24/40 27/28+24/80 81/28+24/40 27/28+72/40 27/84+24/40