Answers

Subtract 42/70 from 98/80

1^st number: 1 18/80, 2^nd number: 42/70

98/80 - 42/70 is 5/8.

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,
   42/70 = 42 × 8/70 × 8 = 336/560
4. Subtract the two like fractions:
   686/560 - 336/560 = 686 - 336/560 = 350/560
5. After reducing the fraction, the answer is 5/8

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