Answers

Subtract 40/10 from 49/72

1^st number: 49/72, 2^nd number: 4 0/10

49/72 - 40/10 is -239/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 10 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   49/72 = 49 × 5/72 × 5 = 245/360
3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
   40/10 = 40 × 36/10 × 36 = 1440/360
4. Subtract the two like fractions:
   245/360 - 1440/360 = 245 - 1440/360 = -1195/360
5. After reducing the fraction, the answer is -239/72

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