Add 54/63 and 2/45
54/63 + 2/45 is 284/315.
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,
54/63 = 54 × 5/63 × 5 = 270/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
2/45 = 2 × 7/45 × 7 = 14/315 - Add the two like fractions:
270/315 + 14/315 = 270 + 14/315 = 284/315 - So, 54/63 + 2/45 = 284/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+4/45 54/63+2/90 54/63+6/45 54/63+10/45 54/63+14/45