Add 40/80 and 54/45
1st number: 40/80, 2nd number: 1 9/45
40/80 + 54/45 is 17/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
40/80 = 40 × 9/80 × 9 = 360/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
54/45 = 54 × 16/45 × 16 = 864/720 - Add the two like fractions:
360/720 + 864/720 = 360 + 864/720 = 1224/720 - 1224/720 simplified gives 17/10
- So, 40/80 + 54/45 = 17/10
In mixed form: 17/10
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