Add 21/24 and 90/14
1st number: 21/24, 2nd number: 6 6/14
21/24 + 90/14 is 409/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 14 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
21/24 = 21 × 7/24 × 7 = 147/168 - Likewise, for the 2nd fraction, since 14 × 12 = 168,
90/14 = 90 × 12/14 × 12 = 1080/168 - Add the two like fractions:
147/168 + 1080/168 = 147 + 1080/168 = 1227/168 - 1227/168 simplified gives 409/56
- So, 21/24 + 90/14 = 409/56
In mixed form: 717/56
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