Add 70/8 and 28/72
1st number: 8 6/8, 2nd number: 28/72
70/8 + 28/72 is 329/36.
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,
70/8 = 70 × 9/8 × 9 = 630/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Add the two like fractions:
630/72 + 28/72 = 630 + 28/72 = 658/72 - 658/72 simplified gives 329/36
- So, 70/8 + 28/72 = 329/36
In mixed form: 95/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8+56/72 70/16+28/72 70/8+84/72 70/24+28/72 70/40+28/72 70/56+28/72