Add 3/12 and 72/35
1st number: 3/12, 2nd number: 2 2/35
3/12 + 72/35 is 323/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
3/12 = 3 × 35/12 × 35 = 105/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
72/35 = 72 × 12/35 × 12 = 864/420 - Add the two like fractions:
105/420 + 864/420 = 105 + 864/420 = 969/420 - 969/420 simplified gives 323/140
- So, 3/12 + 72/35 = 323/140
In mixed form: 243/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+72/35 3/24+72/35 3/12+72/70 9/12+72/35 3/36+72/35 15/12+72/35 3/60+72/35 21/12+72/35 3/84+72/35