Add 50/30 and 45/63
1st number: 1 20/30, 2nd number: 45/63
50/30 + 45/63 is 50/21.
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,
45/63 = 45 × 10/63 × 10 = 450/630 - Add the two like fractions:
1050/630 + 450/630 = 1050 + 450/630 = 1500/630 - 1500/630 simplified gives 50/21
- So, 50/30 + 45/63 = 50/21
In mixed form: 28/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30+90/63 50/60+45/63 50/90+45/63