Add 4/12 and 20/90
4/12 + 20/90 is 5/9.
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,
4/12 = 4 × 15/12 × 15 = 60/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
20/90 = 20 × 2/90 × 2 = 40/180 - Add the two like fractions:
60/180 + 40/180 = 60 + 40/180 = 100/180 - 100/180 simplified gives 5/9
- So, 4/12 + 20/90 = 5/9
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