Add 28/70 and 14/10, Solve 28/70 + 1 4/10 as a fraction

Add 28/70 and 14/10

1^st number: 28/70, 2^nd number: 1 4/10

28/70 + 14/10 is 9/5.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 70 × 1 = 70,
28/70 = 28 × 1/70 × 1 = 28/70
Likewise, for the 2nd fraction, since 10 × 7 = 70,
14/10 = 14 × 7/10 × 7 = 98/70
Add the two like fractions:
28/70 + 98/70 = 28 + 98/70 = 126/70
126/70 simplified gives 9/5
So, 28/70 + 14/10 = 9/5
In mixed form: 14/5

MathStep (Works offline)

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