Add 81/21 and 10/24
1st number: 3 18/21, 2nd number: 10/24
81/21 + 10/24 is 359/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
81/21 = 81 × 8/21 × 8 = 648/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
10/24 = 10 × 7/24 × 7 = 70/168 - Add the two like fractions:
648/168 + 70/168 = 648 + 70/168 = 718/168 - 718/168 simplified gives 359/84
- So, 81/21 + 10/24 = 359/84
In mixed form: 423/84
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