Add 40/90 and 84/45
1st number: 40/90, 2nd number: 1 39/45
40/90 + 84/45 is 104/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
40/90 = 40 × 1/90 × 1 = 40/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
84/45 = 84 × 2/45 × 2 = 168/90 - Add the two like fractions:
40/90 + 168/90 = 40 + 168/90 = 208/90 - 208/90 simplified gives 104/45
- So, 40/90 + 84/45 = 104/45
In mixed form: 214/45
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