Add 7/2 and 42/6
1st number: 3 1/2, 2nd number: 7 0/6
7/2 + 42/6 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 6 is 6
Next, find the equivalent fraction of both fractional numbers with denominator 6 - For the 1st fraction, since 2 × 3 = 6,
7/2 = 7 × 3/2 × 3 = 21/6 - Likewise, for the 2nd fraction, since 6 × 1 = 6,
42/6 = 42 × 1/6 × 1 = 42/6 - Add the two like fractions:
21/6 + 42/6 = 21 + 42/6 = 63/6 - 63/6 simplified gives 21/2
- So, 7/2 + 42/6 = 21/2
In mixed form: 101/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+42/6 7/2+84/6 7/4+42/6 7/2+42/12 21/2+42/6 7/6+42/6 7/2+42/18 35/2+42/6 7/10+42/6 7/2+42/30 49/2+42/6 7/14+42/6