Add 35/40 and 7/80
35/40 + 7/80 is 77/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
35/40 = 35 × 2/40 × 2 = 70/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80 - Add the two like fractions:
70/80 + 7/80 = 70 + 7/80 = 77/80 - So, 35/40 + 7/80 = 77/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40+7/80 35/40+14/80 35/80+7/80 35/40+21/80 35/40+35/80 35/40+49/80