Add 45/90 and 56/54
1st number: 45/90, 2nd number: 1 2/54
45/90 + 56/54 is 83/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
45/90 = 45 × 3/90 × 3 = 135/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
56/54 = 56 × 5/54 × 5 = 280/270 - Add the two like fractions:
135/270 + 280/270 = 135 + 280/270 = 415/270 - 415/270 simplified gives 83/54
- So, 45/90 + 56/54 = 83/54
In mixed form: 129/54
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