Add 4/40 and 40/10, Solve 4/40 + 4 0/10 as a fraction

Add 4/40 and 40/10

1^st number: 4/40, 2^nd number: 4 0/10

4/40 + 40/10 is 41/10.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40

Next, find the equivalent fraction of both fractional numbers with denominator 40
For the 1st fraction, since 40 × 1 = 40,
4/40 = 4 × 1/40 × 1 = 4/40
Likewise, for the 2nd fraction, since 10 × 4 = 40,
40/10 = 40 × 4/10 × 4 = 160/40
Add the two like fractions:
4/40 + 160/40 = 4 + 160/40 = 164/40
164/40 simplified gives 41/10
So, 4/40 + 40/10 = 41/10
In mixed form: 41/10

MathStep (Works offline)

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