Add 90/4 and 15/5
1st number: 22 2/4, 2nd number: 3 0/5
90/4 + 15/5 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,
90/4 = 90 × 5/4 × 5 = 450/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
15/5 = 15 × 4/5 × 4 = 60/20 - Add the two like fractions:
450/20 + 60/20 = 450 + 60/20 = 510/20 - 510/20 simplified gives 51/2
- So, 90/4 + 15/5 = 51/2
In mixed form: 251/2
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