Add 10/63 and 9/42
10/63 + 9/42 is 47/126.
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,
10/63 = 10 × 2/63 × 2 = 20/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
9/42 = 9 × 3/42 × 3 = 27/126 - Add the two like fractions:
20/126 + 27/126 = 20 + 27/126 = 47/126 - So, 10/63 + 9/42 = 47/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/63+9/42 10/63+18/42 10/63+9/84 30/63+9/42 10/63+27/42 50/63+9/42 10/63+45/42 70/63+9/42 10/63+63/42