Add 42/9 and 25/35, Solve 4 6/9 + 25/35 as a fraction

Add 42/9 and 25/35

1^st number: 4 6/9, 2^nd number: 25/35

42/9 + 25/35 is 113/21.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 35 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 9 × 35 = 315,
42/9 = 42 × 35/9 × 35 = 1470/315
Likewise, for the 2nd fraction, since 35 × 9 = 315,
25/35 = 25 × 9/35 × 9 = 225/315
Add the two like fractions:
1470/315 + 225/315 = 1470 + 225/315 = 1695/315
1695/315 simplified gives 113/21
So, 42/9 + 25/35 = 113/21
In mixed form: 58/21

MathStep (Works offline)

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