Add 54/8 and 81/90
1st number: 6 6/8, 2nd number: 81/90
54/8 + 81/90 is 153/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
54/8 = 54 × 45/8 × 45 = 2430/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
81/90 = 81 × 4/90 × 4 = 324/360 - Add the two like fractions:
2430/360 + 324/360 = 2430 + 324/360 = 2754/360 - 2754/360 simplified gives 153/20
- So, 54/8 + 81/90 = 153/20
In mixed form: 713/20
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