Add 4/45 and 1/63
4/45 + 1/63 is 11/105.
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,
4/45 = 4 × 7/45 × 7 = 28/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
1/63 = 1 × 5/63 × 5 = 5/315 - Add the two like fractions:
28/315 + 5/315 = 28 + 5/315 = 33/315 - 33/315 simplified gives 11/105
- So, 4/45 + 1/63 = 11/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45+1/63 4/45+2/63 4/90+1/63 12/45+1/63 4/45+3/63 20/45+1/63 4/45+5/63 28/45+1/63 4/45+7/63