Add 45/10 and 5/12, Solve 4 5/10 + 5/12 as a fraction

Add 45/10 and 5/12

1^st number: 4 5/10, 2^nd number: 5/12

45/10 + 5/12 is 59/12.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 10 × 6 = 60,
45/10 = 45 × 6/10 × 6 = 270/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
5/12 = 5 × 5/12 × 5 = 25/60
Add the two like fractions:
270/60 + 25/60 = 270 + 25/60 = 295/60
295/60 simplified gives 59/12
So, 45/10 + 5/12 = 59/12
In mixed form: 411/12

MathStep (Works offline)

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