Add 20/98 and 42/10
1st number: 20/98, 2nd number: 4 2/10
20/98 + 42/10 is 1079/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
20/98 = 20 × 5/98 × 5 = 100/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
42/10 = 42 × 49/10 × 49 = 2058/490 - Add the two like fractions:
100/490 + 2058/490 = 100 + 2058/490 = 2158/490 - 2158/490 simplified gives 1079/245
- So, 20/98 + 42/10 = 1079/245
In mixed form: 499/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98+42/10 20/98+84/10 20/98+42/20 60/98+42/10 20/98+42/30 20/98+42/50 20/98+42/70