Add 1/8 and 84/72
1st number: 1/8, 2nd number: 1 12/72
1/8 + 84/72 is 31/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
1/8 = 1 × 9/8 × 9 = 9/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72 - Add the two like fractions:
9/72 + 84/72 = 9 + 84/72 = 93/72 - 93/72 simplified gives 31/24
- So, 1/8 + 84/72 = 31/24
In mixed form: 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8+84/72 1/16+84/72 3/8+84/72 1/24+84/72 5/8+84/72 1/40+84/72 7/8+84/72 1/56+84/72