Add 81/42 and 54/6
1st number: 1 39/42, 2nd number: 9 0/6
81/42 + 54/6 is 153/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
81/42 = 81 × 1/42 × 1 = 81/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
54/6 = 54 × 7/6 × 7 = 378/42 - Add the two like fractions:
81/42 + 378/42 = 81 + 378/42 = 459/42 - 459/42 simplified gives 153/14
- So, 81/42 + 54/6 = 153/14
In mixed form: 1013/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/84+54/6 81/42+54/12 81/42+54/18 81/42+54/30 81/42+54/42