Add 2/20 and 15/63
2/20 + 15/63 is 71/210.
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,
2/20 = 2 × 63/20 × 63 = 126/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
15/63 = 15 × 20/63 × 20 = 300/1260 - Add the two like fractions:
126/1260 + 300/1260 = 126 + 300/1260 = 426/1260 - 426/1260 simplified gives 71/210
- So, 2/20 + 15/63 = 71/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+15/63 2/20+30/63 2/40+15/63 6/20+15/63 2/20+45/63 2/60+15/63 10/20+15/63 2/20+75/63 14/20+15/63