Add 5/80 and 2/7
5/80 + 2/7 is 39/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
5/80 = 5 × 7/80 × 7 = 35/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
2/7 = 2 × 80/7 × 80 = 160/560 - Add the two like fractions:
35/560 + 160/560 = 35 + 160/560 = 195/560 - 195/560 simplified gives 39/112
- So, 5/80 + 2/7 = 39/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/80+2/7 5/80+4/7 5/80+2/14 15/80+2/7 5/80+6/7 5/80+2/21 25/80+2/7 5/80+10/7 5/80+2/35 35/80+2/7 5/80+14/7 5/80+2/49