Add 42/63 and 2/14
42/63 + 2/14 is 17/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 14 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 14 × 9 = 126,
2/14 = 2 × 9/14 × 9 = 18/126 - Add the two like fractions:
84/126 + 18/126 = 84 + 18/126 = 102/126 - 102/126 simplified gives 17/21
- So, 42/63 + 2/14 = 17/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63+2/14 42/63+4/14 42/63+2/28 42/63+6/14 42/63+2/42 42/63+10/14 42/63+2/70 42/63+2/98