Add 10/28 and 72/80
10/28 + 72/80 is 44/35.
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,
10/28 = 10 × 20/28 × 20 = 200/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
72/80 = 72 × 7/80 × 7 = 504/560 - Add the two like fractions:
200/560 + 504/560 = 200 + 504/560 = 704/560 - 704/560 simplified gives 44/35
- So, 10/28 + 72/80 = 44/35
In mixed form: 19/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+72/80 10/56+72/80 30/28+72/80 10/84+72/80 50/28+72/80 70/28+72/80