Add 21/5 and 12/98
1st number: 4 1/5, 2nd number: 12/98
21/5 + 12/98 is 1059/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 5 × 98 = 490,
21/5 = 21 × 98/5 × 98 = 2058/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
12/98 = 12 × 5/98 × 5 = 60/490 - Add the two like fractions:
2058/490 + 60/490 = 2058 + 60/490 = 2118/490 - 2118/490 simplified gives 1059/245
- So, 21/5 + 12/98 = 1059/245
In mixed form: 479/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/5+12/98 21/5+24/98 21/10+12/98 63/5+12/98 21/5+36/98 21/15+12/98 21/5+60/98 21/25+12/98 21/5+84/98 21/35+12/98