Add 42/63 and 2/18
42/63 + 2/18 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
42/63 = 42 × 2/63 × 2 = 84/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
2/18 = 2 × 7/18 × 7 = 14/126 - Add the two like fractions:
84/126 + 14/126 = 84 + 14/126 = 98/126 - 98/126 simplified gives 7/9
- So, 42/63 + 2/18 = 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63+2/18 42/63+4/18 42/63+2/36 42/63+6/18 42/63+2/54 42/63+10/18 42/63+2/90 42/63+14/18