Add 2/63 and 45/21
1st number: 2/63, 2nd number: 2 3/21
2/63 + 45/21 is 137/63.
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,
2/63 = 2 × 1/63 × 1 = 2/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
45/21 = 45 × 3/21 × 3 = 135/63 - Add the two like fractions:
2/63 + 135/63 = 2 + 135/63 = 137/63 - So, 2/63 + 45/21 = 137/63
In mixed form: 211/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/63+45/21 2/63+90/21 2/63+45/42 6/63+45/21 2/63+45/63 10/63+45/21 14/63+45/21