Add 10/80 and 27/28
10/80 + 27/28 is 61/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 28 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
10/80 = 10 × 7/80 × 7 = 70/560 - Likewise, for the 2nd fraction, since 28 × 20 = 560,
27/28 = 27 × 20/28 × 20 = 540/560 - Add the two like fractions:
70/560 + 540/560 = 70 + 540/560 = 610/560 - 610/560 simplified gives 61/56
- So, 10/80 + 27/28 = 61/56
In mixed form: 15/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80+27/28 10/80+54/28 10/80+27/56 30/80+27/28 10/80+81/28 10/80+27/84 50/80+27/28 70/80+27/28