Add 75/4 and 54/45
1st number: 18 3/4, 2nd number: 1 9/45
75/4 + 54/45 is 399/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
75/4 = 75 × 45/4 × 45 = 3375/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
54/45 = 54 × 4/45 × 4 = 216/180 - Add the two like fractions:
3375/180 + 216/180 = 3375 + 216/180 = 3591/180 - 3591/180 simplified gives 399/20
- So, 75/4 + 54/45 = 399/20
In mixed form: 1919/20
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