Add 20/10 and 90/98
1st number: 2 0/10, 2nd number: 90/98
20/10 + 90/98 is 143/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
20/10 = 20 × 49/10 × 49 = 980/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
90/98 = 90 × 5/98 × 5 = 450/490 - Add the two like fractions:
980/490 + 450/490 = 980 + 450/490 = 1430/490 - 1430/490 simplified gives 143/49
- So, 20/10 + 90/98 = 143/49
In mixed form: 245/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10+90/98 60/10+90/98 20/30+90/98 20/50+90/98 20/70+90/98