Add 15/21 and 70/24
1st number: 15/21, 2nd number: 2 22/24
15/21 + 70/24 is 305/84.
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,
15/21 = 15 × 8/21 × 8 = 120/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
70/24 = 70 × 7/24 × 7 = 490/168 - Add the two like fractions:
120/168 + 490/168 = 120 + 490/168 = 610/168 - 610/168 simplified gives 305/84
- So, 15/21 + 70/24 = 305/84
In mixed form: 353/84
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