Add 45/42 and 4/32, Solve 1 3/42 + 4/32 as a fraction

Add 45/42 and 4/32

1^st number: 1 3/42, 2^nd number: 4/32

45/42 + 4/32 is 67/56.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 42 × 16 = 672,
45/42 = 45 × 16/42 × 16 = 720/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
4/32 = 4 × 21/32 × 21 = 84/672
Add the two like fractions:
720/672 + 84/672 = 720 + 84/672 = 804/672
804/672 simplified gives 67/56
So, 45/42 + 4/32 = 67/56
In mixed form: 111/56

MathStep (Works offline)

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