Add 45/60 and 72/18
1st number: 45/60, 2nd number: 4 0/18
45/60 + 72/18 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
45/60 = 45 × 3/60 × 3 = 135/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
72/18 = 72 × 10/18 × 10 = 720/180 - Add the two like fractions:
135/180 + 720/180 = 135 + 720/180 = 855/180 - 855/180 simplified gives 19/4
- So, 45/60 + 72/18 = 19/4
In mixed form: 43/4
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