Subtract 21/63 from 35/5, Solve 7 0/5

Subtract 21/63 from 35/5

1^st number: 7 0/5, 2^nd number: 21/63

35/5 - 21/63 is 20/3.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 5 × 63 = 315,
35/5 = 35 × 63/5 × 63 = 2205/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
21/63 = 21 × 5/63 × 5 = 105/315
Subtract the two like fractions:
2205/315 - 105/315 = 2205 - 105/315 = 2100/315
After reducing the fraction, the answer is 20/3
In mixed form: 62/3

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