Add 12/36 and 1/7
12/36 + 1/7 is 10/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
12/36 = 12 × 7/36 × 7 = 84/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
1/7 = 1 × 36/7 × 36 = 36/252 - Add the two like fractions:
84/252 + 36/252 = 84 + 36/252 = 120/252 - 120/252 simplified gives 10/21
- So, 12/36 + 1/7 = 10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/36+1/7 12/36+2/7 12/72+1/7 12/36+1/14 12/36+3/7 12/36+1/21 60/36+1/7 12/36+5/7 12/36+1/35 84/36+1/7 12/36+1/49