Add 1/45 and 15/63
1/45 + 15/63 is 82/315.
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,
1/45 = 1 × 7/45 × 7 = 7/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
15/63 = 15 × 5/63 × 5 = 75/315 - Add the two like fractions:
7/315 + 75/315 = 7 + 75/315 = 82/315 - So, 1/45 + 15/63 = 82/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45+15/63 1/45+30/63 1/90+15/63 3/45+15/63 1/45+45/63 5/45+15/63 1/45+75/63 7/45+15/63