Subtract 30/27 from 36/30, Solve 1 6/30

Subtract 30/27 from 36/30

1^st number: 1 6/30, 2^nd number: 1 3/27

36/30 - 30/27 is 4/45.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 30 × 9 = 270,
36/30 = 36 × 9/30 × 9 = 324/270
Likewise, for the 2nd fraction, since 27 × 10 = 270,
30/27 = 30 × 10/27 × 10 = 300/270
Subtract the two like fractions:
324/270 - 300/270 = 324 - 300/270 = 24/270
After reducing the fraction, the answer is 4/45

MathStep (Works offline)

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