Add 81/35 and 20/98
1st number: 2 11/35, 2nd number: 20/98
81/35 + 20/98 is 617/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 35 × 14 = 490,
81/35 = 81 × 14/35 × 14 = 1134/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
20/98 = 20 × 5/98 × 5 = 100/490 - Add the two like fractions:
1134/490 + 100/490 = 1134 + 100/490 = 1234/490 - 1234/490 simplified gives 617/245
- So, 81/35 + 20/98 = 617/245
In mixed form: 2127/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/35+40/98 81/70+20/98 81/35+60/98