Add 40/98 and 12/5
1st number: 40/98, 2nd number: 2 2/5
40/98 + 12/5 is 688/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 5 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
40/98 = 40 × 5/98 × 5 = 200/490 - Likewise, for the 2nd fraction, since 5 × 98 = 490,
12/5 = 12 × 98/5 × 98 = 1176/490 - Add the two like fractions:
200/490 + 1176/490 = 200 + 1176/490 = 1376/490 - 1376/490 simplified gives 688/245
- So, 40/98 + 12/5 = 688/245
In mixed form: 2198/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/98+12/5 40/98+24/5 40/98+12/10 40/98+36/5 40/98+12/15 40/98+60/5 40/98+12/25 40/98+84/5 40/98+12/35