Add 84/40 and 18/90
1st number: 2 4/40, 2nd number: 18/90
84/40 + 18/90 is 23/10.
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,
18/90 = 18 × 4/90 × 4 = 72/360 - Add the two like fractions:
756/360 + 72/360 = 756 + 72/360 = 828/360 - 828/360 simplified gives 23/10
- So, 84/40 + 18/90 = 23/10
In mixed form: 23/10
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