Add 25/28 and 2/80
25/28 + 2/80 is 257/280.
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,
25/28 = 25 × 20/28 × 20 = 500/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
2/80 = 2 × 7/80 × 7 = 14/560 - Add the two like fractions:
500/560 + 14/560 = 500 + 14/560 = 514/560 - 514/560 simplified gives 257/280
- So, 25/28 + 2/80 = 257/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/28+2/80 25/28+4/80 25/56+2/80 75/28+2/80 25/28+6/80 25/84+2/80 25/28+10/80 25/28+14/80