Add 10/42 and 96/80, Solve 10/42 + 1 16/80 as a fraction

Add 10/42 and 96/80

1^st number: 10/42, 2^nd number: 1 16/80

10/42 + 96/80 is 151/105.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 42 × 40 = 1680,
10/42 = 10 × 40/42 × 40 = 400/1680
Likewise, for the 2nd fraction, since 80 × 21 = 1680,
96/80 = 96 × 21/80 × 21 = 2016/1680
Add the two like fractions:
400/1680 + 2016/1680 = 400 + 2016/1680 = 2416/1680
2416/1680 simplified gives 151/105
So, 10/42 + 96/80 = 151/105
In mixed form: 146/105

MathStep (Works offline)

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