Add 48/70 and 70/98, Solve 48/70 + 70/98 as a fraction

Add 48/70 and 70/98

48/70 + 70/98 is 7/5.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 98 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 70 × 7 = 490,
48/70 = 48 × 7/70 × 7 = 336/490
Likewise, for the 2nd fraction, since 98 × 5 = 490,
70/98 = 70 × 5/98 × 5 = 350/490
Add the two like fractions:
336/490 + 350/490 = 336 + 350/490 = 686/490
686/490 simplified gives 7/5
So, 48/70 + 70/98 = 7/5
In mixed form: 12/5

MathStep (Works offline)

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