Add 54/4 and 90/45
1st number: 13 2/4, 2nd number: 2 0/45
54/4 + 90/45 is 31/2.
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,
54/4 = 54 × 45/4 × 45 = 2430/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
90/45 = 90 × 4/45 × 4 = 360/180 - Add the two like fractions:
2430/180 + 360/180 = 2430 + 360/180 = 2790/180 - 2790/180 simplified gives 31/2
- So, 54/4 + 90/45 = 31/2
In mixed form: 151/2
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