Add 40/8 and 90/36
1st number: 5 0/8, 2nd number: 2 18/36
40/8 + 90/36 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
40/8 = 40 × 9/8 × 9 = 360/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
90/36 = 90 × 2/36 × 2 = 180/72 - Add the two like fractions:
360/72 + 180/72 = 360 + 180/72 = 540/72 - 540/72 simplified gives 15/2
- So, 40/8 + 90/36 = 15/2
In mixed form: 71/2
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