Add 42/5 and 20/63
1st number: 8 2/5, 2nd number: 20/63
42/5 + 20/63 is 2746/315.
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,
20/63 = 20 × 5/63 × 5 = 100/315 - Add the two like fractions:
2646/315 + 100/315 = 2646 + 100/315 = 2746/315 - So, 42/5 + 20/63 = 2746/315
In mixed form: 8226/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+20/63 42/5+40/63 42/10+20/63 42/5+60/63 42/15+20/63 42/25+20/63 42/35+20/63