Subtract 98/8 from 16/84, Solve 16/84

Subtract 98/8 from 16/84

1^st number: 16/84, 2^nd number: 12 2/8

16/84 - 98/8 is -1013/84.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 84 × 2 = 168,
16/84 = 16 × 2/84 × 2 = 32/168
Likewise, for the 2nd fraction, since 8 × 21 = 168,
98/8 = 98 × 21/8 × 21 = 2058/168
Subtract the two like fractions:
32/168 - 2058/168 = 32 - 2058/168 = -2026/168
After reducing the fraction, the answer is -1013/84

MathStep (Works offline)

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