Add 18/28 and 4/63
18/28 + 4/63 is 89/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
18/28 = 18 × 9/28 × 9 = 162/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
4/63 = 4 × 4/63 × 4 = 16/252 - Add the two like fractions:
162/252 + 16/252 = 162 + 16/252 = 178/252 - 178/252 simplified gives 89/126
- So, 18/28 + 4/63 = 89/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28+4/63 18/28+8/63 18/56+4/63 54/28+4/63 18/28+12/63 18/84+4/63 90/28+4/63 18/28+20/63 18/28+28/63