Add 25/9 and 20/42
1st number: 2 7/9, 2nd number: 20/42
25/9 + 20/42 is 205/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
25/9 = 25 × 14/9 × 14 = 350/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
20/42 = 20 × 3/42 × 3 = 60/126 - Add the two like fractions:
350/126 + 60/126 = 350 + 60/126 = 410/126 - 410/126 simplified gives 205/63
- So, 25/9 + 20/42 = 205/63
In mixed form: 316/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/9+20/42 25/9+40/42 25/18+20/42 25/9+20/84 75/9+20/42 25/9+60/42 25/27+20/42 25/45+20/42 25/63+20/42