Add 9/63 and 2/20
9/63 + 2/20 is 17/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
9/63 = 9 × 20/63 × 20 = 180/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
2/20 = 2 × 63/20 × 63 = 126/1260 - Add the two like fractions:
180/1260 + 126/1260 = 180 + 126/1260 = 306/1260 - 306/1260 simplified gives 17/70
- So, 9/63 + 2/20 = 17/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63+2/20 9/63+4/20 9/63+2/40 27/63+2/20 9/63+6/20 9/63+2/60 45/63+2/20 9/63+10/20 9/63+14/20