Add 90/30 and 18/8
1st number: 3 0/30, 2nd number: 2 2/8
90/30 + 18/8 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
90/30 = 90 × 4/30 × 4 = 360/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
18/8 = 18 × 15/8 × 15 = 270/120 - Add the two like fractions:
360/120 + 270/120 = 360 + 270/120 = 630/120 - 630/120 simplified gives 21/4
- So, 90/30 + 18/8 = 21/4
In mixed form: 51/4
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