Add 42/5 and 42/63
1st number: 8 2/5, 2nd number: 42/63
42/5 + 42/63 is 136/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
42/5 = 42 × 63/5 × 63 = 2646/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
42/63 = 42 × 5/63 × 5 = 210/315 - Add the two like fractions:
2646/315 + 210/315 = 2646 + 210/315 = 2856/315 - 2856/315 simplified gives 136/15
- So, 42/5 + 42/63 = 136/15
In mixed form: 91/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+42/63 42/5+84/63 42/10+42/63 42/15+42/63 42/25+42/63 42/35+42/63