Add 54/42 and 36/7
1st number: 1 12/42, 2nd number: 5 1/7
54/42 + 36/7 is 45/7.
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,
54/42 = 54 × 1/42 × 1 = 54/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
36/7 = 36 × 6/7 × 6 = 216/42 - Add the two like fractions:
54/42 + 216/42 = 54 + 216/42 = 270/42 - 270/42 simplified gives 45/7
- So, 54/42 + 36/7 = 45/7
In mixed form: 63/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42+72/7 54/84+36/7 54/42+36/14 54/42+36/21 54/42+36/35 54/42+36/49