Answers

Subtract 21/40 from 98/12

1^st number: 8 2/12, 2^nd number: 21/40

98/12 - 21/40 is 917/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 12 × 10 = 120,
   98/12 = 98 × 10/12 × 10 = 980/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   21/40 = 21 × 3/40 × 3 = 63/120
4. Subtract the two like fractions:
   980/120 - 63/120 = 980 - 63/120 = 917/120
5. In mixed form: 777/120

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