Answers

Subtract 18/70 from 90/24

1^st number: 3 18/24, 2^nd number: 18/70

90/24 - 18/70 is 489/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 70 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 24 × 35 = 840,
   90/24 = 90 × 35/24 × 35 = 3150/840
3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
   18/70 = 18 × 12/70 × 12 = 216/840
4. Subtract the two like fractions:
   3150/840 - 216/840 = 3150 - 216/840 = 2934/840
5. After reducing the fraction, the answer is 489/140
6. In mixed form: 369/140

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