Answers

Subtract 15/70 from 40/16

1^st number: 2 8/16, 2^nd number: 15/70

40/16 - 15/70 is 16/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 70 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 16 × 35 = 560,
   40/16 = 40 × 35/16 × 35 = 1400/560
3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
   15/70 = 15 × 8/70 × 8 = 120/560
4. Subtract the two like fractions:
   1400/560 - 120/560 = 1400 - 120/560 = 1280/560
5. After reducing the fraction, the answer is 16/7
6. In mixed form: 22/7

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