Add 4/18 and 20/56
4/18 + 20/56 is 73/126.
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,
4/18 = 4 × 28/18 × 28 = 112/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
20/56 = 20 × 9/56 × 9 = 180/504 - Add the two like fractions:
112/504 + 180/504 = 112 + 180/504 = 292/504 - 292/504 simplified gives 73/126
- So, 4/18 + 20/56 = 73/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/18+20/56 4/18+40/56 4/36+20/56 12/18+20/56 4/18+60/56 4/54+20/56 20/18+20/56 4/90+20/56 28/18+20/56