Add 7/8 and 9/80
7/8 + 9/80 is 79/80.
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,
9/80 = 9 × 1/80 × 1 = 9/80 - Add the two like fractions:
70/80 + 9/80 = 70 + 9/80 = 79/80 - So, 7/8 + 9/80 = 79/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8+9/80 7/8+18/80 7/16+9/80 21/8+9/80 7/8+27/80 7/24+9/80 35/8+9/80 7/8+45/80 7/40+9/80 49/8+9/80 7/8+63/80 7/56+9/80