Add 45/54 and 50/63
45/54 + 50/63 is 205/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
45/54 = 45 × 7/54 × 7 = 315/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
50/63 = 50 × 6/63 × 6 = 300/378 - Add the two like fractions:
315/378 + 300/378 = 315 + 300/378 = 615/378 - 615/378 simplified gives 205/126
- So, 45/54 + 50/63 = 205/126
In mixed form: 179/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+50/63