Add 81/72 and 70/98
1st number: 1 9/72, 2nd number: 70/98
81/72 + 70/98 is 103/56.
Steps for adding fractions
- 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 - For the 1st fraction, since 72 × 49 = 3528,
81/72 = 81 × 49/72 × 49 = 3969/3528 - Likewise, for the 2nd fraction, since 98 × 36 = 3528,
70/98 = 70 × 36/98 × 36 = 2520/3528 - Add the two like fractions:
3969/3528 + 2520/3528 = 3969 + 2520/3528 = 6489/3528 - 6489/3528 simplified gives 103/56
- So, 81/72 + 70/98 = 103/56
In mixed form: 147/56
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