Add 40/30 and 84/45
1st number: 1 10/30, 2nd number: 1 39/45
40/30 + 84/45 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
40/30 = 40 × 3/30 × 3 = 120/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
84/45 = 84 × 2/45 × 2 = 168/90 - Add the two like fractions:
120/90 + 168/90 = 120 + 168/90 = 288/90 - 288/90 simplified gives 16/5
- So, 40/30 + 84/45 = 16/5
In mixed form: 31/5
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