Add 42/70 and 24/14, Solve 42/70 + 1 10/14 as a fraction

Add 42/70 and 24/14

1^st number: 42/70, 2^nd number: 1 10/14

42/70 + 24/14 is 81/35.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 14 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 70 × 1 = 70,
42/70 = 42 × 1/70 × 1 = 42/70
Likewise, for the 2nd fraction, since 14 × 5 = 70,
24/14 = 24 × 5/14 × 5 = 120/70
Add the two like fractions:
42/70 + 120/70 = 42 + 120/70 = 162/70
162/70 simplified gives 81/35
So, 42/70 + 24/14 = 81/35
In mixed form: 211/35

MathStep (Works offline)

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