Add 20/63 and 12/30
20/63 + 12/30 is 226/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
20/63 = 20 × 10/63 × 10 = 200/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
12/30 = 12 × 21/30 × 21 = 252/630 - Add the two like fractions:
200/630 + 252/630 = 200 + 252/630 = 452/630 - 452/630 simplified gives 226/315
- So, 20/63 + 12/30 = 226/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63+12/30 20/63+24/30 20/63+12/60 60/63+12/30 20/63+36/30 20/63+12/90 20/63+60/30 20/63+84/30