Add 8/72 and 15/8
1st number: 8/72, 2nd number: 1 7/8
8/72 + 15/8 is 143/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
8/72 = 8 × 1/72 × 1 = 8/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
15/8 = 15 × 9/8 × 9 = 135/72 - Add the two like fractions:
8/72 + 135/72 = 8 + 135/72 = 143/72 - So, 8/72 + 15/8 = 143/72
In mixed form: 171/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/72+15/8 8/72+30/8 8/72+15/16 24/72+15/8 8/72+45/8 8/72+15/24 40/72+15/8 8/72+75/8 8/72+15/40 56/72+15/8 8/72+15/56