Add 56/7 and 30/80
1st number: 8 0/7, 2nd number: 30/80
56/7 + 30/80 is 67/8.
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,
30/80 = 30 × 7/80 × 7 = 210/560 - Add the two like fractions:
4480/560 + 210/560 = 4480 + 210/560 = 4690/560 - 4690/560 simplified gives 67/8
- So, 56/7 + 30/80 = 67/8
In mixed form: 83/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7+60/80 56/14+30/80 56/7+90/80 56/21+30/80 56/35+30/80 56/49+30/80