Answers

Subtract 21/80 from 70/36

1^st number: 1 34/36, 2^nd number: 21/80

70/36 - 21/80 is 1211/720.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 36 × 20 = 720,
   70/36 = 70 × 20/36 × 20 = 1400/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   21/80 = 21 × 9/80 × 9 = 189/720
4. Subtract the two like fractions:
   1400/720 - 189/720 = 1400 - 189/720 = 1211/720
5. In mixed form: 1491/720

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