Answers

Subtract 42/80 from 70/15

1^st number: 4 10/15, 2^nd number: 42/80

70/15 - 42/80 is 497/120.

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,
   70/15 = 70 × 16/15 × 16 = 1120/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   42/80 = 42 × 3/80 × 3 = 126/240
4. Subtract the two like fractions:
   1120/240 - 126/240 = 1120 - 126/240 = 994/240
5. After reducing the fraction, the answer is 497/120
6. In mixed form: 417/120

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