Add 18/2 and 42/7
1st number: 9 0/2, 2nd number: 6 0/7
18/2 + 42/7 is 15/1.
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,
18/2 = 18 × 7/2 × 7 = 126/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
42/7 = 42 × 2/7 × 2 = 84/14 - Add the two like fractions:
126/14 + 84/14 = 126 + 84/14 = 210/14 - 210/14 simplified gives 15/1
- So, 18/2 + 42/7 = 15/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2+42/7 18/2+84/7 18/4+42/7 18/2+42/14 54/2+42/7 18/6+42/7 18/2+42/21 90/2+42/7 18/10+42/7 18/2+42/35 18/14+42/7 18/2+42/49