Add 35/80 and 40/45
35/80 + 40/45 is 191/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
35/80 = 35 × 9/80 × 9 = 315/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
40/45 = 40 × 16/45 × 16 = 640/720 - Add the two like fractions:
315/720 + 640/720 = 315 + 640/720 = 955/720 - 955/720 simplified gives 191/144
- So, 35/80 + 40/45 = 191/144
In mixed form: 147/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/80+40/45 35/80+80/45 35/80+40/90