Add 40/2 and 42/15
1st number: 20 0/2, 2nd number: 2 12/15
40/2 + 42/15 is 114/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
40/2 = 40 × 15/2 × 15 = 600/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
42/15 = 42 × 2/15 × 2 = 84/30 - Add the two like fractions:
600/30 + 84/30 = 600 + 84/30 = 684/30 - 684/30 simplified gives 114/5
- So, 40/2 + 42/15 = 114/5
In mixed form: 224/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2+42/15 40/2+84/15 40/4+42/15 40/2+42/30 40/6+42/15 40/2+42/45 40/10+42/15 40/2+42/75 40/14+42/15