Add 45/63 and 6/28
45/63 + 6/28 is 13/14.
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,
45/63 = 45 × 4/63 × 4 = 180/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
6/28 = 6 × 9/28 × 9 = 54/252 - Add the two like fractions:
180/252 + 54/252 = 180 + 54/252 = 234/252 - 234/252 simplified gives 13/14
- So, 45/63 + 6/28 = 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+6/28 45/63+12/28 45/63+6/56 45/63+18/28 45/63+6/84 45/63+30/28 45/63+42/28