Add 90/80 and 15/4
1st number: 1 10/80, 2nd number: 3 3/4
90/80 + 15/4 is 39/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 4 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80 - Likewise, for the 2nd fraction, since 4 × 20 = 80,
15/4 = 15 × 20/4 × 20 = 300/80 - Add the two like fractions:
90/80 + 300/80 = 90 + 300/80 = 390/80 - 390/80 simplified gives 39/8
- So, 90/80 + 15/4 = 39/8
In mixed form: 47/8
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