Subtract 63/16 from 5/30, Solve 5/30

Subtract 63/16 from 5/30

1^st number: 5/30, 2^nd number: 3 15/16

5/30 - 63/16 is -181/48.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 30 × 8 = 240,
5/30 = 5 × 8/30 × 8 = 40/240
Likewise, for the 2nd fraction, since 16 × 15 = 240,
63/16 = 63 × 15/16 × 15 = 945/240
Subtract the two like fractions:
40/240 - 945/240 = 40 - 945/240 = -905/240
After reducing the fraction, the answer is -181/48

MathStep (Works offline)

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