Add 72/35 and 9/12
1st number: 2 2/35, 2nd number: 9/12
72/35 + 9/12 is 393/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
72/35 = 72 × 12/35 × 12 = 864/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
9/12 = 9 × 35/12 × 35 = 315/420 - Add the two like fractions:
864/420 + 315/420 = 864 + 315/420 = 1179/420 - 1179/420 simplified gives 393/140
- So, 72/35 + 9/12 = 393/140
In mixed form: 2113/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/35+18/12 72/70+9/12 72/35+9/24 72/35+27/12 72/35+9/36 72/35+45/12 72/35+9/60 72/35+63/12 72/35+9/84