Add 70/36 and 21/12
1st number: 1 34/36, 2nd number: 1 9/12
70/36 + 21/12 is 133/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
70/36 = 70 × 1/36 × 1 = 70/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
21/12 = 21 × 3/12 × 3 = 63/36 - Add the two like fractions:
70/36 + 63/36 = 70 + 63/36 = 133/36 - So, 70/36 + 21/12 = 133/36
In mixed form: 325/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/36+42/12 70/72+21/12 70/36+21/24 70/36+63/12 70/36+21/36 70/36+21/60 70/36+21/84