Add 18/45 and 12/4
1st number: 18/45, 2nd number: 3 0/4
18/45 + 12/4 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
18/45 = 18 × 4/45 × 4 = 72/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
12/4 = 12 × 45/4 × 45 = 540/180 - Add the two like fractions:
72/180 + 540/180 = 72 + 540/180 = 612/180 - 612/180 simplified gives 17/5
- So, 18/45 + 12/4 = 17/5
In mixed form: 32/5
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