Answers

Subtract 18/40 from 98/70

1^st number: 1 28/70, 2^nd number: 18/40

98/70 - 18/40 is 19/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 70 × 4 = 280,
   98/70 = 98 × 4/70 × 4 = 392/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   18/40 = 18 × 7/40 × 7 = 126/280
4. Subtract the two like fractions:
   392/280 - 126/280 = 392 - 126/280 = 266/280
5. After reducing the fraction, the answer is 19/20

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