Answers

Subtract 54/70 from 80/30

1^st number: 2 20/30, 2^nd number: 54/70

80/30 - 54/70 is 199/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 30 × 7 = 210,
   80/30 = 80 × 7/30 × 7 = 560/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   54/70 = 54 × 3/70 × 3 = 162/210
4. Subtract the two like fractions:
   560/210 - 162/210 = 560 - 162/210 = 398/210
5. After reducing the fraction, the answer is 199/105
6. In mixed form: 194/105

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