Add 90/20 and 25/8
1st number: 4 10/20, 2nd number: 3 1/8
90/20 + 25/8 is 61/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
90/20 = 90 × 2/20 × 2 = 180/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
25/8 = 25 × 5/8 × 5 = 125/40 - Add the two like fractions:
180/40 + 125/40 = 180 + 125/40 = 305/40 - 305/40 simplified gives 61/8
- So, 90/20 + 25/8 = 61/8
In mixed form: 75/8
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