Add 28/7 and 5/30, Solve 4 0/7 + 5/30 as a fraction

Add 28/7 and 5/30

1^st number: 4 0/7, 2^nd number: 5/30

28/7 + 5/30 is 25/6.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 7 × 30 = 210,
28/7 = 28 × 30/7 × 30 = 840/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
5/30 = 5 × 7/30 × 7 = 35/210
Add the two like fractions:
840/210 + 35/210 = 840 + 35/210 = 875/210
875/210 simplified gives 25/6
So, 28/7 + 5/30 = 25/6
In mixed form: 41/6

MathStep (Works offline)

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