Answers

Subtract 70/80 from 21/14

1^st number: 1 7/14, 2^nd number: 70/80

21/14 - 70/80 is 5/8.

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,
   21/14 = 21 × 40/14 × 40 = 840/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   70/80 = 70 × 7/80 × 7 = 490/560
4. Subtract the two like fractions:
   840/560 - 490/560 = 840 - 490/560 = 350/560
5. After reducing the fraction, the answer is 5/8

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