Add 42/35 and 10/18, Solve 1 7/35 + 10/18 as a fraction

Add 42/35 and 10/18

1^st number: 1 7/35, 2^nd number: 10/18

42/35 + 10/18 is 79/45.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 18 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 35 × 18 = 630,
42/35 = 42 × 18/35 × 18 = 756/630
Likewise, for the 2nd fraction, since 18 × 35 = 630,
10/18 = 10 × 35/18 × 35 = 350/630
Add the two like fractions:
756/630 + 350/630 = 756 + 350/630 = 1106/630
1106/630 simplified gives 79/45
So, 42/35 + 10/18 = 79/45
In mixed form: 134/45

MathStep (Works offline)

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