Answers

Subtract 21/80 from 40/14

1^st number: 2 12/14, 2^nd number: 21/80

40/14 - 21/80 is 1453/560.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 14 × 40 = 560,
   40/14 = 40 × 40/14 × 40 = 1600/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   21/80 = 21 × 7/80 × 7 = 147/560
4. Subtract the two like fractions:
   1600/560 - 147/560 = 1600 - 147/560 = 1453/560
5. In mixed form: 2333/560

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