Add 40/12 and 90/5
1st number: 3 4/12, 2nd number: 18 0/5
40/12 + 90/5 is 64/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
90/5 = 90 × 12/5 × 12 = 1080/60 - Add the two like fractions:
200/60 + 1080/60 = 200 + 1080/60 = 1280/60 - 1280/60 simplified gives 64/3
- So, 40/12 + 90/5 = 64/3
In mixed form: 211/3
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