Add 4/98 and 70/42, Solve 4/98 + 1 28/42 as a fraction

Add 4/98 and 70/42

1^st number: 4/98, 2^nd number: 1 28/42

4/98 + 70/42 is 251/147.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 42 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 98 × 3 = 294,
4/98 = 4 × 3/98 × 3 = 12/294
Likewise, for the 2nd fraction, since 42 × 7 = 294,
70/42 = 70 × 7/42 × 7 = 490/294
Add the two like fractions:
12/294 + 490/294 = 12 + 490/294 = 502/294
502/294 simplified gives 251/147
So, 4/98 + 70/42 = 251/147
In mixed form: 1104/147

MathStep (Works offline)

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