Add 40/48 and 18/90
40/48 + 18/90 is 31/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
40/48 = 40 × 15/48 × 15 = 600/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
18/90 = 18 × 8/90 × 8 = 144/720 - Add the two like fractions:
600/720 + 144/720 = 600 + 144/720 = 744/720 - 744/720 simplified gives 31/30
- So, 40/48 + 18/90 = 31/30
In mixed form: 11/30
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