Add 45/63 and 9/54
45/63 + 9/54 is 37/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 63 × 6 = 378,
45/63 = 45 × 6/63 × 6 = 270/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
9/54 = 9 × 7/54 × 7 = 63/378 - Add the two like fractions:
270/378 + 63/378 = 270 + 63/378 = 333/378 - 333/378 simplified gives 37/42
- So, 45/63 + 9/54 = 37/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+9/54 45/63+18/54 45/63+27/54 45/63+45/54 45/63+63/54