Add 42/20 and 25/49
1st number: 2 2/20, 2nd number: 25/49
42/20 + 25/49 is 1279/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
42/20 = 42 × 49/20 × 49 = 2058/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
25/49 = 25 × 20/49 × 20 = 500/980 - Add the two like fractions:
2058/980 + 500/980 = 2058 + 500/980 = 2558/980 - 2558/980 simplified gives 1279/490
- So, 42/20 + 25/49 = 1279/490
In mixed form: 2299/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+25/49 42/20+50/49 42/40+25/49 42/20+25/98 42/20+75/49 42/60+25/49