Add 42/63 and 84/9
1st number: 42/63, 2nd number: 9 3/9
42/63 + 84/9 is 10/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
42/63 = 42 × 1/63 × 1 = 42/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
84/9 = 84 × 7/9 × 7 = 588/63 - Add the two like fractions:
42/63 + 588/63 = 42 + 588/63 = 630/63 - 630/63 simplified gives 10/1
- So, 42/63 + 84/9 = 10/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63+84/9 42/63+84/18 42/63+84/27 42/63+84/45 42/63+84/63