Subtract 21/6 from 16/70, Solve 16/70

Subtract 21/6 from 16/70

1^st number: 16/70, 2^nd number: 3 3/6

16/70 - 21/6 is -229/70.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 70 × 3 = 210,
16/70 = 16 × 3/70 × 3 = 48/210
Likewise, for the 2nd fraction, since 6 × 35 = 210,
21/6 = 21 × 35/6 × 35 = 735/210
Subtract the two like fractions:
48/210 - 735/210 = 48 - 735/210 = -687/210
After reducing the fraction, the answer is -229/70

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