Add 9/63 and 3/42
9/63 + 3/42 is 3/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
9/63 = 9 × 2/63 × 2 = 18/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
3/42 = 3 × 3/42 × 3 = 9/126 - Add the two like fractions:
18/126 + 9/126 = 18 + 9/126 = 27/126 - 27/126 simplified gives 3/14
- So, 9/63 + 3/42 = 3/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63+3/42 9/63+6/42 9/63+3/84 27/63+3/42 9/63+9/42 45/63+3/42 9/63+15/42 9/63+21/42