Add 3/20 and 9/63
3/20 + 9/63 is 41/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
3/20 = 3 × 63/20 × 63 = 189/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
9/63 = 9 × 20/63 × 20 = 180/1260 - Add the two like fractions:
189/1260 + 180/1260 = 189 + 180/1260 = 369/1260 - 369/1260 simplified gives 41/140
- So, 3/20 + 9/63 = 41/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+9/63 3/20+18/63 3/40+9/63 9/20+9/63 3/20+27/63 3/60+9/63 15/20+9/63 3/20+45/63 21/20+9/63