Add 7/8 and 40/80
7/8 + 40/80 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
7/8 = 7 × 10/8 × 10 = 70/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
40/80 = 40 × 1/80 × 1 = 40/80 - Add the two like fractions:
70/80 + 40/80 = 70 + 40/80 = 110/80 - 110/80 simplified gives 11/8
- So, 7/8 + 40/80 = 11/8
In mixed form: 13/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8+40/80 7/16+40/80 21/8+40/80 7/24+40/80 35/8+40/80 7/40+40/80 49/8+40/80 7/56+40/80