Add 40/12 and 20/90
1st number: 3 4/12, 2nd number: 20/90
40/12 + 20/90 is 32/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
40/12 = 40 × 15/12 × 15 = 600/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
20/90 = 20 × 2/90 × 2 = 40/180 - Add the two like fractions:
600/180 + 40/180 = 600 + 40/180 = 640/180 - 640/180 simplified gives 32/9
- So, 40/12 + 20/90 = 32/9
In mixed form: 35/9
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