Add 45/36 and 80/7
1st number: 1 9/36, 2nd number: 11 3/7
45/36 + 80/7 is 355/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
45/36 = 45 × 7/36 × 7 = 315/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
80/7 = 80 × 36/7 × 36 = 2880/252 - Add the two like fractions:
315/252 + 2880/252 = 315 + 2880/252 = 3195/252 - 3195/252 simplified gives 355/28
- So, 45/36 + 80/7 = 355/28
In mixed form: 1219/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+80/7 45/72+80/7 45/36+80/14 45/36+80/21 45/36+80/35 45/36+80/49