Add 72/98 and 4/81
72/98 + 4/81 is 3112/3969.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 81 is 7938 - For the 1st fraction, since 98 × 81 = 7938,
72/98 = 72 × 81/98 × 81 = 5832/7938 - Likewise, for the 2nd fraction, since 81 × 98 = 7938,
4/81 = 4 × 98/81 × 98 = 392/7938 - Add the two fractions:
5832/7938 + 392/7938 = 5832 + 392/7938 = 6224/7938 - After reducing the fraction, the answer is 3112/3969
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