Add 20/18 and 4/84
1st number: 1 2/18, 2nd number: 4/84
20/18 + 4/84 is 73/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
20/18 = 20 × 14/18 × 14 = 280/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
4/84 = 4 × 3/84 × 3 = 12/252 - Add the two like fractions:
280/252 + 12/252 = 280 + 12/252 = 292/252 - 292/252 simplified gives 73/63
- So, 20/18 + 4/84 = 73/63
In mixed form: 110/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18+4/84 20/18+8/84 20/36+4/84 60/18+4/84 20/18+12/84 20/54+4/84 20/18+20/84 20/90+4/84 20/18+28/84