Add 45/42 and 16/60, Solve 1 3/42 + 16/60 as a fraction

Add 45/42 and 16/60

1^st number: 1 3/42, 2^nd number: 16/60

45/42 + 16/60 is 281/210.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 42 × 10 = 420,
45/42 = 45 × 10/42 × 10 = 450/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
16/60 = 16 × 7/60 × 7 = 112/420
Add the two like fractions:
450/420 + 112/420 = 450 + 112/420 = 562/420
562/420 simplified gives 281/210
So, 45/42 + 16/60 = 281/210
In mixed form: 171/210

MathStep (Works offline)

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