Add 4/45 and 18/12
1st number: 4/45, 2nd number: 1 6/12
4/45 + 18/12 is 143/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
4/45 = 4 × 4/45 × 4 = 16/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
18/12 = 18 × 15/12 × 15 = 270/180 - Add the two like fractions:
16/180 + 270/180 = 16 + 270/180 = 286/180 - 286/180 simplified gives 143/90
- So, 4/45 + 18/12 = 143/90
In mixed form: 153/90
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