Add 90/8 and 20/5
1st number: 11 2/8, 2nd number: 4 0/5
90/8 + 20/5 is 61/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
90/8 = 90 × 5/8 × 5 = 450/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
20/5 = 20 × 8/5 × 8 = 160/40 - Add the two like fractions:
450/40 + 160/40 = 450 + 160/40 = 610/40 - 610/40 simplified gives 61/4
- So, 90/8 + 20/5 = 61/4
In mixed form: 151/4
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