Answers

Subtract 15/70 from 80/4

1^st number: 20 0/4, 2^nd number: 15/70

80/4 - 15/70 is 277/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 4 × 35 = 140,
   80/4 = 80 × 35/4 × 35 = 2800/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   15/70 = 15 × 2/70 × 2 = 30/140
4. Subtract the two like fractions:
   2800/140 - 30/140 = 2800 - 30/140 = 2770/140
5. After reducing the fraction, the answer is 277/14
6. In mixed form: 1911/14

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