Add 5/45 and 72/63
1st number: 5/45, 2nd number: 1 9/63
5/45 + 72/63 is 79/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
5/45 = 5 × 7/45 × 7 = 35/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
72/63 = 72 × 5/63 × 5 = 360/315 - Add the two like fractions:
35/315 + 360/315 = 35 + 360/315 = 395/315 - 395/315 simplified gives 79/63
- So, 5/45 + 72/63 = 79/63
In mixed form: 116/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45+72/63 5/90+72/63 15/45+72/63 25/45+72/63 35/45+72/63