Add 20/10 and 42/63
1st number: 2 0/10, 2nd number: 42/63
20/10 + 42/63 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
20/10 = 20 × 63/10 × 63 = 1260/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
42/63 = 42 × 10/63 × 10 = 420/630 - Add the two like fractions:
1260/630 + 420/630 = 1260 + 420/630 = 1680/630 - 1680/630 simplified gives 8/3
- So, 20/10 + 42/63 = 8/3
In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10+42/63 20/10+84/63 60/10+42/63 20/30+42/63 20/50+42/63 20/70+42/63