Subtract 60/21 from 30/4, Solve 7 2/4

Subtract 60/21 from 30/4

1^st number: 7 2/4, 2^nd number: 2 18/21

30/4 - 60/21 is 65/14.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
30/4 = 30 × 21/4 × 21 = 630/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
60/21 = 60 × 4/21 × 4 = 240/84
Subtract the two like fractions:
630/84 - 240/84 = 630 - 240/84 = 390/84
After reducing the fraction, the answer is 65/14
In mixed form: 49/14

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