Add 56/7 and 5/80
1st number: 8 0/7, 2nd number: 5/80
56/7 + 5/80 is 129/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
56/7 = 56 × 80/7 × 80 = 4480/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
5/80 = 5 × 7/80 × 7 = 35/560 - Add the two like fractions:
4480/560 + 35/560 = 4480 + 35/560 = 4515/560 - 4515/560 simplified gives 129/16
- So, 56/7 + 5/80 = 129/16
In mixed form: 81/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7+10/80 56/14+5/80 56/7+15/80 56/21+5/80 56/7+25/80 56/35+5/80 56/7+35/80 56/49+5/80