Answers

Subtract 10/70 from 98/80

1^st number: 1 18/80, 2^nd number: 10/70

98/80 - 10/70 is 303/280.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 70 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 80 × 7 = 560,
   98/80 = 98 × 7/80 × 7 = 686/560
3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
   10/70 = 10 × 8/70 × 8 = 80/560
4. Subtract the two like fractions:
   686/560 - 80/560 = 686 - 80/560 = 606/560
5. After reducing the fraction, the answer is 303/280
6. In mixed form: 123/280

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