Add 7/5 and 7/98, Solve 1 2/5 + 7/98 as a fraction

Add 7/5 and 7/98

1^st number: 1 2/5, 2^nd number: 7/98

7/5 + 7/98 is 103/70.

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,
7/5 = 7 × 98/5 × 98 = 686/490
Likewise, for the 2nd fraction, since 98 × 5 = 490,
7/98 = 7 × 5/98 × 5 = 35/490
Add the two like fractions:
686/490 + 35/490 = 686 + 35/490 = 721/490
721/490 simplified gives 103/70
So, 7/5 + 7/98 = 103/70
In mixed form: 133/70

MathStep (Works offline)

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