Add 81/98 and 81/72
1st number: 81/98, 2nd number: 1 9/72
81/98 + 81/72 is 765/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 98 × 36 = 3528,
81/98 = 81 × 36/98 × 36 = 2916/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
81/72 = 81 × 49/72 × 49 = 3969/3528 - Add the two like fractions:
2916/3528 + 3969/3528 = 2916 + 3969/3528 = 6885/3528 - 6885/3528 simplified gives 765/392
- So, 81/98 + 81/72 = 765/392
In mixed form: 1373/392
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