Add 18/80 and 3/28
18/80 + 3/28 is 93/280.
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,
18/80 = 18 × 7/80 × 7 = 126/560 - Likewise, for the 2nd fraction, since 28 × 20 = 560,
3/28 = 3 × 20/28 × 20 = 60/560 - Add the two like fractions:
126/560 + 60/560 = 126 + 60/560 = 186/560 - 186/560 simplified gives 93/280
- So, 18/80 + 3/28 = 93/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/80+3/28 18/80+6/28 18/80+3/56 54/80+3/28 18/80+9/28 18/80+3/84 90/80+3/28 18/80+15/28 18/80+21/28