Add 14/2 and 21/42
1st number: 7 0/2, 2nd number: 21/42
14/2 + 21/42 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
14/2 = 14 × 21/2 × 21 = 294/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
21/42 = 21 × 1/42 × 1 = 21/42 - Add the two like fractions:
294/42 + 21/42 = 294 + 21/42 = 315/42 - 315/42 simplified gives 15/2
- So, 14/2 + 21/42 = 15/2
In mixed form: 71/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/2+21/42 14/4+21/42 14/2+21/84 42/2+21/42 14/2+63/42 14/6+21/42 70/2+21/42 14/10+21/42 98/2+21/42