Add 20/5 and 9/63
1st number: 4 0/5, 2nd number: 9/63
20/5 + 9/63 is 29/7.
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,
20/5 = 20 × 63/5 × 63 = 1260/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
9/63 = 9 × 5/63 × 5 = 45/315 - Add the two like fractions:
1260/315 + 45/315 = 1260 + 45/315 = 1305/315 - 1305/315 simplified gives 29/7
- So, 20/5 + 9/63 = 29/7
In mixed form: 41/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5+9/63 20/5+18/63 20/10+9/63 60/5+9/63 20/5+27/63 20/15+9/63 20/5+45/63 20/25+9/63 20/35+9/63