Add 50/30 and 21/63
1st number: 1 20/30, 2nd number: 21/63
50/30 + 21/63 is 2/1.
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,
50/30 = 50 × 21/30 × 21 = 1050/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
21/63 = 21 × 10/63 × 10 = 210/630 - Add the two like fractions:
1050/630 + 210/630 = 1050 + 210/630 = 1260/630 - 1260/630 simplified gives 2/1
- So, 50/30 + 21/63 = 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30+42/63 50/60+21/63 50/90+21/63