Add 84/4 and 20/63
1st number: 21 0/4, 2nd number: 20/63
84/4 + 20/63 is 1343/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
84/4 = 84 × 63/4 × 63 = 5292/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
20/63 = 20 × 4/63 × 4 = 80/252 - Add the two like fractions:
5292/252 + 80/252 = 5292 + 80/252 = 5372/252 - 5372/252 simplified gives 1343/63
- So, 84/4 + 20/63 = 1343/63
In mixed form: 2120/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+40/63 84/8+20/63 84/4+60/63 84/12+20/63 84/20+20/63 84/28+20/63