Add 36/5 and 54/10, Solve 7 1/5 + 5 4/10 as a fraction

Add 36/5 and 54/10

1^st number: 7 1/5, 2^nd number: 5 4/10

36/5 + 54/10 is 63/5.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10

Next, find the equivalent fraction of both fractional numbers with denominator 10
For the 1st fraction, since 5 × 2 = 10,
36/5 = 36 × 2/5 × 2 = 72/10
Likewise, for the 2nd fraction, since 10 × 1 = 10,
54/10 = 54 × 1/10 × 1 = 54/10
Add the two like fractions:
72/10 + 54/10 = 72 + 54/10 = 126/10
126/10 simplified gives 63/5
So, 36/5 + 54/10 = 63/5
In mixed form: 123/5

MathStep (Works offline)

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