Add 4/63 and 20/45
4/63 + 20/45 is 32/63.
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,
4/63 = 4 × 5/63 × 5 = 20/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
20/45 = 20 × 7/45 × 7 = 140/315 - Add the two like fractions:
20/315 + 140/315 = 20 + 140/315 = 160/315 - 160/315 simplified gives 32/63
- So, 4/63 + 20/45 = 32/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/63+20/45 4/63+40/45 4/63+20/90 12/63+20/45 4/63+60/45 20/63+20/45 28/63+20/45