Add 24/90 and 42/12
1st number: 24/90, 2nd number: 3 6/12
24/90 + 42/12 is 113/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
24/90 = 24 × 2/90 × 2 = 48/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
42/12 = 42 × 15/12 × 15 = 630/180 - Add the two like fractions:
48/180 + 630/180 = 48 + 630/180 = 678/180 - 678/180 simplified gives 113/30
- So, 24/90 + 42/12 = 113/30
In mixed form: 323/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/90+42/12 24/90+84/12 24/90+42/24 72/90+42/12 24/90+42/36 24/90+42/60 24/90+42/84