Add 45/63 and 16/45
45/63 + 16/45 is 337/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
45/63 = 45 × 5/63 × 5 = 225/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
16/45 = 16 × 7/45 × 7 = 112/315 - Add the two like fractions:
225/315 + 112/315 = 225 + 112/315 = 337/315 - So, 45/63 + 16/45 = 337/315
In mixed form: 122/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+16/45 45/63+32/45 45/63+16/90 45/63+48/45 45/63+80/45