Add 35/5 and 4/80, Solve 7 0/5 + 4/80 as a fraction

Add 35/5 and 4/80

1^st number: 7 0/5, 2^nd number: 4/80

35/5 + 4/80 is 141/20.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 5 × 16 = 80,
35/5 = 35 × 16/5 × 16 = 560/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
4/80 = 4 × 1/80 × 1 = 4/80
Add the two like fractions:
560/80 + 4/80 = 560 + 4/80 = 564/80
564/80 simplified gives 141/20
So, 35/5 + 4/80 = 141/20
In mixed form: 71/20

MathStep (Works offline)

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