Answers

Subtract 1/80 from 70/63

1^st number: 1 7/63, 2^nd number: 1/80

70/63 - 1/80 is 791/720.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 80 is 5040
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5040
2. For the 1st fraction, since 63 × 80 = 5040,
   70/63 = 70 × 80/63 × 80 = 5600/5040
3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
   1/80 = 1 × 63/80 × 63 = 63/5040
4. Subtract the two like fractions:
   5600/5040 - 63/5040 = 5600 - 63/5040 = 5537/5040
5. After reducing the fraction, the answer is 791/720
6. In mixed form: 171/720

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