Add 81/36 and 70/8
1st number: 2 9/36, 2nd number: 8 6/8
81/36 + 70/8 is 11/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
81/36 = 81 × 2/36 × 2 = 162/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
70/8 = 70 × 9/8 × 9 = 630/72 - Add the two like fractions:
162/72 + 630/72 = 162 + 630/72 = 792/72 - 792/72 simplified gives 11/1
- So, 81/36 + 70/8 = 11/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/72+70/8 81/36+70/16 81/36+70/24 81/36+70/40 81/36+70/56