Add 1/8 and 72/80
1/8 + 72/80 is 41/40.
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,
1/8 = 1 × 10/8 × 10 = 10/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
72/80 = 72 × 1/80 × 1 = 72/80 - Add the two like fractions:
10/80 + 72/80 = 10 + 72/80 = 82/80 - 82/80 simplified gives 41/40
- So, 1/8 + 72/80 = 41/40
In mixed form: 11/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8+72/80 1/16+72/80 3/8+72/80 1/24+72/80 5/8+72/80 1/40+72/80 7/8+72/80 1/56+72/80