Answers

Subtract 7/30 from 84/28

1^st number: 3 0/28, 2^nd number: 7/30

84/28 - 7/30 is 83/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 30 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 28 × 15 = 420,
   84/28 = 84 × 15/28 × 15 = 1260/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   7/30 = 7 × 14/30 × 14 = 98/420
4. Subtract the two like fractions:
   1260/420 - 98/420 = 1260 - 98/420 = 1162/420
5. After reducing the fraction, the answer is 83/30
6. In mixed form: 223/30

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