Add 90/48 and 3/12
1st number: 1 42/48, 2nd number: 3/12
90/48 + 3/12 is 17/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 12 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 48 × 1 = 48,
90/48 = 90 × 1/48 × 1 = 90/48 - Likewise, for the 2nd fraction, since 12 × 4 = 48,
3/12 = 3 × 4/12 × 4 = 12/48 - Add the two like fractions:
90/48 + 12/48 = 90 + 12/48 = 102/48 - 102/48 simplified gives 17/8
- So, 90/48 + 3/12 = 17/8
In mixed form: 21/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/48+6/12 90/96+3/12 90/48+3/24 90/48+9/12 90/48+3/36 90/48+15/12 90/48+3/60 90/48+21/12 90/48+3/84