Add 90/63 and 2/28
1st number: 1 27/63, 2nd number: 2/28
90/63 + 2/28 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
90/63 = 90 × 4/63 × 4 = 360/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
2/28 = 2 × 9/28 × 9 = 18/252 - Add the two like fractions:
360/252 + 18/252 = 360 + 18/252 = 378/252 - 378/252 simplified gives 3/2
- So, 90/63 + 2/28 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+4/28 90/63+2/56 90/63+6/28 90/63+2/84 90/63+10/28 90/63+14/28