Add 24/80 and 56/42, Solve 24/80 + 1 14/42 as a fraction

Add 24/80 and 56/42

1^st number: 24/80, 2^nd number: 1 14/42

24/80 + 56/42 is 49/30.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 42 is 1680

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 80 × 21 = 1680,
24/80 = 24 × 21/80 × 21 = 504/1680
Likewise, for the 2nd fraction, since 42 × 40 = 1680,
56/42 = 56 × 40/42 × 40 = 2240/1680
Add the two like fractions:
504/1680 + 2240/1680 = 504 + 2240/1680 = 2744/1680
2744/1680 simplified gives 49/30
So, 24/80 + 56/42 = 49/30
In mixed form: 119/30

MathStep (Works offline)

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