Add 49/63 and 75/21
1st number: 49/63, 2nd number: 3 12/21
49/63 + 75/21 is 274/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
49/63 = 49 × 1/63 × 1 = 49/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
75/21 = 75 × 3/21 × 3 = 225/63 - Add the two like fractions:
49/63 + 225/63 = 49 + 225/63 = 274/63 - So, 49/63 + 75/21 = 274/63
In mixed form: 422/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/63+75/21 49/63+75/42 49/63+75/63