Subtract 21/5 from 70/2, Solve 35 0/2

Subtract 21/5 from 70/2

1^st number: 35 0/2, 2^nd number: 4 1/5

70/2 - 21/5 is 154/5.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10

Next, find the equivalent fraction of both fractional numbers with denominator 10
For the 1st fraction, since 2 × 5 = 10,
70/2 = 70 × 5/2 × 5 = 350/10
Likewise, for the 2nd fraction, since 5 × 2 = 10,
21/5 = 21 × 2/5 × 2 = 42/10
Subtract the two like fractions:
350/10 - 42/10 = 350 - 42/10 = 308/10
After reducing the fraction, the answer is 154/5
In mixed form: 304/5

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