Add 36/42 and 9/7
1st number: 36/42, 2nd number: 1 2/7
36/42 + 9/7 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
36/42 = 36 × 1/42 × 1 = 36/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
9/7 = 9 × 6/7 × 6 = 54/42 - Add the two like fractions:
36/42 + 54/42 = 36 + 54/42 = 90/42 - 90/42 simplified gives 15/7
- So, 36/42 + 9/7 = 15/7
In mixed form: 21/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/42+9/7 36/42+18/7 36/84+9/7 36/42+9/14 36/42+27/7 36/42+9/21 36/42+45/7 36/42+9/35 36/42+63/7 36/42+9/49