Add 30/8 and 90/30
1st number: 3 6/8, 2nd number: 3 0/30
30/8 + 90/30 is 27/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
30/8 = 30 × 15/8 × 15 = 450/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
90/30 = 90 × 4/30 × 4 = 360/120 - Add the two like fractions:
450/120 + 360/120 = 450 + 360/120 = 810/120 - 810/120 simplified gives 27/4
- So, 30/8 + 90/30 = 27/4
In mixed form: 63/4
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