Add 2/12 and 42/63
2/12 + 42/63 is 5/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
2/12 = 2 × 21/12 × 21 = 42/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
42/63 = 42 × 4/63 × 4 = 168/252 - Add the two like fractions:
42/252 + 168/252 = 42 + 168/252 = 210/252 - 210/252 simplified gives 5/6
- So, 2/12 + 42/63 = 5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12+42/63 2/12+84/63 2/24+42/63 6/12+42/63 2/36+42/63 10/12+42/63 2/60+42/63 14/12+42/63 2/84+42/63