Add 18/63 and 1/28
18/63 + 1/28 is 9/28.
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,
18/63 = 18 × 4/63 × 4 = 72/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
1/28 = 1 × 9/28 × 9 = 9/252 - Add the two like fractions:
72/252 + 9/252 = 72 + 9/252 = 81/252 - 81/252 simplified gives 9/28
- So, 18/63 + 1/28 = 9/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+1/28 18/63+2/28 18/63+1/56 54/63+1/28 18/63+3/28 18/63+1/84 90/63+1/28 18/63+5/28 18/63+7/28