Add 27/28 and 18/80
27/28 + 18/80 is 333/280.
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,
27/28 = 27 × 20/28 × 20 = 540/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
18/80 = 18 × 7/80 × 7 = 126/560 - Add the two like fractions:
540/560 + 126/560 = 540 + 126/560 = 666/560 - 666/560 simplified gives 333/280
- So, 27/28 + 18/80 = 333/280
In mixed form: 153/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28+18/80 27/28+36/80 27/56+18/80 81/28+18/80 27/28+54/80 27/84+18/80 27/28+90/80