Subtract 10/9 from 40/35, Solve 1 5/35

Subtract 10/9 from 40/35

1^st number: 1 5/35, 2^nd number: 1 1/9

40/35 - 10/9 is 2/63.

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

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 35 × 9 = 315,
40/35 = 40 × 9/35 × 9 = 360/315
Likewise, for the 2nd fraction, since 9 × 35 = 315,
10/9 = 10 × 35/9 × 35 = 350/315
Subtract the two like fractions:
360/315 - 350/315 = 360 - 350/315 = 10/315
After reducing the fraction, the answer is 2/63

MathStep (Works offline)

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