Add 25/98 and 72/20
1st number: 25/98, 2nd number: 3 12/20
25/98 + 72/20 is 1889/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 98 × 10 = 980,
25/98 = 25 × 10/98 × 10 = 250/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
72/20 = 72 × 49/20 × 49 = 3528/980 - Add the two like fractions:
250/980 + 3528/980 = 250 + 3528/980 = 3778/980 - 3778/980 simplified gives 1889/490
- So, 25/98 + 72/20 = 1889/490
In mixed form: 3419/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/98+72/20 25/98+72/40 75/98+72/20 25/98+72/60