Add 20/30 and 14/63
20/30 + 14/63 is 8/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
20/30 = 20 × 21/30 × 21 = 420/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
14/63 = 14 × 10/63 × 10 = 140/630 - Add the two like fractions:
420/630 + 140/630 = 420 + 140/630 = 560/630 - 560/630 simplified gives 8/9
- So, 20/30 + 14/63 = 8/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30+14/63 20/30+28/63 20/60+14/63 60/30+14/63 20/30+42/63 20/90+14/63 20/30+70/63 20/30+98/63