Add 81/2 and 63/7
1st number: 40 1/2, 2nd number: 9 0/7
81/2 + 63/7 is 99/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
81/2 = 81 × 7/2 × 7 = 567/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
63/7 = 63 × 2/7 × 2 = 126/14 - Add the two like fractions:
567/14 + 126/14 = 567 + 126/14 = 693/14 - 693/14 simplified gives 99/2
- So, 81/2 + 63/7 = 99/2
In mixed form: 491/2
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