Add 2/84 and 18/63
2/84 + 18/63 is 13/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
2/84 = 2 × 3/84 × 3 = 6/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
18/63 = 18 × 4/63 × 4 = 72/252 - Add the two like fractions:
6/252 + 72/252 = 6 + 72/252 = 78/252 - 78/252 simplified gives 13/42
- So, 2/84 + 18/63 = 13/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84+18/63 2/84+36/63 6/84+18/63 2/84+54/63 10/84+18/63 2/84+90/63 14/84+18/63