Add 20/63 and 63/5
1st number: 20/63, 2nd number: 12 3/5
20/63 + 63/5 is 4069/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
20/63 = 20 × 5/63 × 5 = 100/315 - Likewise, for the 2nd fraction, since 5 × 63 = 315,
63/5 = 63 × 63/5 × 63 = 3969/315 - Add the two like fractions:
100/315 + 3969/315 = 100 + 3969/315 = 4069/315 - So, 20/63 + 63/5 = 4069/315
In mixed form: 12289/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63+63/5 20/63+63/10 60/63+63/5 20/63+63/15 20/63+63/25 20/63+63/35