Answers

Subtract 35/80 from 42/15

1^st number: 2 12/15, 2^nd number: 35/80

42/15 - 35/80 is 189/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 15 × 16 = 240,
   42/15 = 42 × 16/15 × 16 = 672/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   35/80 = 35 × 3/80 × 3 = 105/240
4. Subtract the two like fractions:
   672/240 - 105/240 = 672 - 105/240 = 567/240
5. After reducing the fraction, the answer is 189/80
6. In mixed form: 229/80

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