Add 48/70 and 40/18, Solve 48/70 + 2 4/18 as a fraction

Add 48/70 and 40/18

1^st number: 48/70, 2^nd number: 2 4/18

48/70 + 40/18 is 916/315.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
48/70 = 48 × 9/70 × 9 = 432/630
Likewise, for the 2nd fraction, since 18 × 35 = 630,
40/18 = 40 × 35/18 × 35 = 1400/630
Add the two like fractions:
432/630 + 1400/630 = 432 + 1400/630 = 1832/630
1832/630 simplified gives 916/315
So, 48/70 + 40/18 = 916/315
In mixed form: 2286/315

MathStep (Works offline)

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