Add 84/18 and 25/63
1st number: 4 12/18, 2nd number: 25/63
84/18 + 25/63 is 319/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
84/18 = 84 × 7/18 × 7 = 588/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
25/63 = 25 × 2/63 × 2 = 50/126 - Add the two like fractions:
588/126 + 50/126 = 588 + 50/126 = 638/126 - 638/126 simplified gives 319/63
- So, 84/18 + 25/63 = 319/63
In mixed form: 54/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+50/63 84/36+25/63 84/18+75/63 84/54+25/63 84/90+25/63