Add 7/63 and 42/7
1st number: 7/63, 2nd number: 6 0/7
7/63 + 42/7 is 55/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
7/63 = 7 × 1/63 × 1 = 7/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
42/7 = 42 × 9/7 × 9 = 378/63 - Add the two like fractions:
7/63 + 378/63 = 7 + 378/63 = 385/63 - 385/63 simplified gives 55/9
- So, 7/63 + 42/7 = 55/9
In mixed form: 61/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/63+42/7 7/63+84/7 7/63+42/14 21/63+42/7 7/63+42/21 35/63+42/7 7/63+42/35 49/63+42/7 7/63+42/49