Add 28/24 and 21/90
1st number: 1 4/24, 2nd number: 21/90
28/24 + 21/90 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
28/24 = 28 × 15/24 × 15 = 420/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
21/90 = 21 × 4/90 × 4 = 84/360 - Add the two like fractions:
420/360 + 84/360 = 420 + 84/360 = 504/360 - 504/360 simplified gives 7/5
- So, 28/24 + 21/90 = 7/5
In mixed form: 12/5
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