Subtract 28/70 from 16/45, Solve 16/45

Subtract 28/70 from 16/45

16/45 - 28/70 is -2/45.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 45 × 14 = 630,
16/45 = 16 × 14/45 × 14 = 224/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630
Subtract the two like fractions:
224/630 - 252/630 = 224 - 252/630 = -28/630
After reducing the fraction, the answer is -2/45

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