Add 12/28 and 6/80
12/28 + 6/80 is 141/280.
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,
12/28 = 12 × 20/28 × 20 = 240/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
6/80 = 6 × 7/80 × 7 = 42/560 - Add the two like fractions:
240/560 + 42/560 = 240 + 42/560 = 282/560 - 282/560 simplified gives 141/280
- So, 12/28 + 6/80 = 141/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28+6/80 12/28+12/80 12/56+6/80 36/28+6/80 12/28+18/80 12/84+6/80 60/28+6/80 12/28+30/80 84/28+6/80 12/28+42/80