Add 21/2 and 25/63
1st number: 10 1/2, 2nd number: 25/63
21/2 + 25/63 is 1373/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
21/2 = 21 × 63/2 × 63 = 1323/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
25/63 = 25 × 2/63 × 2 = 50/126 - Add the two like fractions:
1323/126 + 50/126 = 1323 + 50/126 = 1373/126 - So, 21/2 + 25/63 = 1373/126
In mixed form: 10113/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2+25/63 21/2+50/63 21/4+25/63 63/2+25/63 21/2+75/63 21/6+25/63 21/10+25/63 21/14+25/63