Add 45/7 and 27/80
1st number: 6 3/7, 2nd number: 27/80
45/7 + 27/80 is 3789/560.
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,
45/7 = 45 × 80/7 × 80 = 3600/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
27/80 = 27 × 7/80 × 7 = 189/560 - Add the two like fractions:
3600/560 + 189/560 = 3600 + 189/560 = 3789/560 - So, 45/7 + 27/80 = 3789/560
In mixed form: 6429/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7+27/80 45/7+54/80 45/14+27/80 45/7+81/80 45/21+27/80 45/35+27/80 45/49+27/80