Add 90/2 and 42/12
1st number: 45 0/2, 2nd number: 3 6/12
90/2 + 42/12 is 97/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
90/2 = 90 × 6/2 × 6 = 540/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
42/12 = 42 × 1/12 × 1 = 42/12 - Add the two like fractions:
540/12 + 42/12 = 540 + 42/12 = 582/12 - 582/12 simplified gives 97/2
- So, 90/2 + 42/12 = 97/2
In mixed form: 481/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+84/12 90/4+42/12 90/2+42/24 90/6+42/12 90/2+42/36 90/10+42/12 90/2+42/60 90/14+42/12 90/2+42/84