Add 18/8 and 90/45
1st number: 2 2/8, 2nd number: 2 0/45
18/8 + 90/45 is 17/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
18/8 = 18 × 45/8 × 45 = 810/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
90/45 = 90 × 8/45 × 8 = 720/360 - Add the two like fractions:
810/360 + 720/360 = 810 + 720/360 = 1530/360 - 1530/360 simplified gives 17/4
- So, 18/8 + 90/45 = 17/4
In mixed form: 41/4
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