Add 5/42 and 54/4
1st number: 5/42, 2nd number: 13 2/4
5/42 + 54/4 is 286/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
5/42 = 5 × 2/42 × 2 = 10/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
54/4 = 54 × 21/4 × 21 = 1134/84 - Add the two like fractions:
10/84 + 1134/84 = 10 + 1134/84 = 1144/84 - 1144/84 simplified gives 286/21
- So, 5/42 + 54/4 = 286/21
In mixed form: 1313/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42+54/4 5/84+54/4 5/42+54/8 15/42+54/4 5/42+54/12 25/42+54/4 5/42+54/20 35/42+54/4 5/42+54/28