Answers

Subtract 21/80 from 70/12

1^st number: 5 10/12, 2^nd number: 21/80

70/12 - 21/80 is 1337/240.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 80 is 240
2. For the 1st fraction, since 12 × 20 = 240,
   70/12 = 70 × 20/12 × 20 = 1400/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   21/80 = 21 × 3/80 × 3 = 63/240
4. Subtract the two fractions:
   1400/240 - 63/240 = 1400 - 63/240 = 1337/240
5. In mixed form: 5137/240

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