Add 1/28 and 36/80
1/28 + 36/80 is 17/35.
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,
1/28 = 1 × 20/28 × 20 = 20/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
36/80 = 36 × 7/80 × 7 = 252/560 - Add the two like fractions:
20/560 + 252/560 = 20 + 252/560 = 272/560 - 272/560 simplified gives 17/35
- So, 1/28 + 36/80 = 17/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28+36/80 1/28+72/80 1/56+36/80 3/28+36/80 1/84+36/80 5/28+36/80 7/28+36/80