Add 3/2 and 42/7
1st number: 1 1/2, 2nd number: 6 0/7
3/2 + 42/7 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
3/2 = 3 × 7/2 × 7 = 21/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
42/7 = 42 × 2/7 × 2 = 84/14 - Add the two like fractions:
21/14 + 84/14 = 21 + 84/14 = 105/14 - 105/14 simplified gives 15/2
- So, 3/2 + 42/7 = 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: 6/2+42/7 3/2+84/7 3/4+42/7 3/2+42/14 9/2+42/7 3/6+42/7 3/2+42/21 15/2+42/7 3/10+42/7 3/2+42/35 21/2+42/7 3/14+42/7 3/2+42/49