Subtract 21/70 from 35/5, Solve 7 0/5

Subtract 21/70 from 35/5

1^st number: 7 0/5, 2^nd number: 21/70

35/5 - 21/70 is 67/10.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 5 × 14 = 70,
35/5 = 35 × 14/5 × 14 = 490/70
Likewise, for the 2nd fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70
Subtract the two like fractions:
490/70 - 21/70 = 490 - 21/70 = 469/70
After reducing the fraction, the answer is 67/10
In mixed form: 67/10

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