Add 30/4 and 90/5
1st number: 7 2/4, 2nd number: 18 0/5
30/4 + 90/5 is 51/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
30/4 = 30 × 5/4 × 5 = 150/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
90/5 = 90 × 4/5 × 4 = 360/20 - Add the two like fractions:
150/20 + 360/20 = 150 + 360/20 = 510/20 - 510/20 simplified gives 51/2
- So, 30/4 + 90/5 = 51/2
In mixed form: 251/2
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