Add 27/10 and 12/98, Solve 2 7/10 + 12/98 as a fraction

Add 27/10 and 12/98

1^st number: 2 7/10, 2^nd number: 12/98

27/10 + 12/98 is 1383/490.

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,
27/10 = 27 × 49/10 × 49 = 1323/490
Likewise, for the 2nd fraction, since 98 × 5 = 490,
12/98 = 12 × 5/98 × 5 = 60/490
Add the two like fractions:
1323/490 + 60/490 = 1323 + 60/490 = 1383/490
So, 27/10 + 12/98 = 1383/490
In mixed form: 2403/490

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad