Add 42/7 and 48/9
1st number: 6 0/7, 2nd number: 5 3/9
42/7 + 48/9 is 34/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
42/7 = 42 × 9/7 × 9 = 378/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
48/9 = 48 × 7/9 × 7 = 336/63 - Add the two like fractions:
378/63 + 336/63 = 378 + 336/63 = 714/63 - 714/63 simplified gives 34/3
- So, 42/7 + 48/9 = 34/3
In mixed form: 111/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7+48/9 42/7+96/9 42/14+48/9 42/7+48/18 42/21+48/9 42/7+48/27 42/35+48/9 42/7+48/45 42/49+48/9 42/7+48/63