Add 3/18 and 90/56
1st number: 3/18, 2nd number: 1 34/56
3/18 + 90/56 is 149/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
3/18 = 3 × 28/18 × 28 = 84/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
90/56 = 90 × 9/56 × 9 = 810/504 - Add the two like fractions:
84/504 + 810/504 = 84 + 810/504 = 894/504 - 894/504 simplified gives 149/84
- So, 3/18 + 90/56 = 149/84
In mixed form: 165/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+90/56 3/36+90/56 9/18+90/56 3/54+90/56 15/18+90/56 3/90+90/56 21/18+90/56