Answers

Subtract 63/98 from 16/72

16/72 - 63/98 is -53/126.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 98 is 3528
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3528
2. For the 1st fraction, since 72 × 49 = 3528,
   16/72 = 16 × 49/72 × 49 = 784/3528
3. Likewise, for the 2nd fraction, since 98 × 36 = 3528,
   63/98 = 63 × 36/98 × 36 = 2268/3528
4. Subtract the two like fractions:
   784/3528 - 2268/3528 = 784 - 2268/3528 = -1484/3528
5. After reducing the fraction, the answer is -53/126

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