Add 24/28 and 20/80
24/28 + 20/80 is 31/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
24/28 = 24 × 20/28 × 20 = 480/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
20/80 = 20 × 7/80 × 7 = 140/560 - Add the two like fractions:
480/560 + 140/560 = 480 + 140/560 = 620/560 - 620/560 simplified gives 31/28
- So, 24/28 + 20/80 = 31/28
In mixed form: 13/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/28+20/80 24/28+40/80 24/56+20/80 72/28+20/80 24/28+60/80 24/84+20/80