Add 84/40 and 80/9
1st number: 2 4/40, 2nd number: 8 8/9
84/40 + 80/9 is 989/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 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 9 × 40 = 360,
80/9 = 80 × 40/9 × 40 = 3200/360 - Add the two like fractions:
756/360 + 3200/360 = 756 + 3200/360 = 3956/360 - 3956/360 simplified gives 989/90
- So, 84/40 + 80/9 = 989/90
In mixed form: 1089/90
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