Add 21/6 and 54/14
1st number: 3 3/6, 2nd number: 3 12/14
21/6 + 54/14 is 103/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
21/6 = 21 × 7/6 × 7 = 147/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
54/14 = 54 × 3/14 × 3 = 162/42 - Add the two like fractions:
147/42 + 162/42 = 147 + 162/42 = 309/42 - 309/42 simplified gives 103/14
- So, 21/6 + 54/14 = 103/14
In mixed form: 75/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+54/14 21/12+54/14 21/6+54/28 63/6+54/14 21/18+54/14 21/6+54/42 21/30+54/14 21/6+54/70 21/42+54/14 21/6+54/98