Add 40/48 and 45/54
40/48 + 45/54 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 54 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
40/48 = 40 × 9/48 × 9 = 360/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
45/54 = 45 × 8/54 × 8 = 360/432 - Add the two like fractions:
360/432 + 360/432 = 360 + 360/432 = 720/432 - 720/432 simplified gives 5/3
- So, 40/48 + 45/54 = 5/3
In mixed form: 12/3
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