Add 84/40 and 28/90
1st number: 2 4/40, 2nd number: 28/90
84/40 + 28/90 is 217/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
84/40 = 84 × 9/40 × 9 = 756/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
28/90 = 28 × 4/90 × 4 = 112/360 - Add the two like fractions:
756/360 + 112/360 = 756 + 112/360 = 868/360 - 868/360 simplified gives 217/90
- So, 84/40 + 28/90 = 217/90
In mixed form: 237/90
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