Add 45/7 and 80/56
1st number: 6 3/7, 2nd number: 1 24/56
45/7 + 80/56 is 55/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
45/7 = 45 × 8/7 × 8 = 360/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
80/56 = 80 × 1/56 × 1 = 80/56 - Add the two like fractions:
360/56 + 80/56 = 360 + 80/56 = 440/56 - 440/56 simplified gives 55/7
- So, 45/7 + 80/56 = 55/7
In mixed form: 76/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7+80/56 45/14+80/56 45/21+80/56 45/35+80/56 45/49+80/56