Add 54/90 and 7/4
1st number: 54/90, 2nd number: 1 3/4
54/90 + 7/4 is 47/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
54/90 = 54 × 2/90 × 2 = 108/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
7/4 = 7 × 45/4 × 45 = 315/180 - Add the two like fractions:
108/180 + 315/180 = 108 + 315/180 = 423/180 - 423/180 simplified gives 47/20
- So, 54/90 + 7/4 = 47/20
In mixed form: 27/20
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