Add 90/20 and 10/25
1st number: 4 10/20, 2nd number: 10/25
90/20 + 10/25 is 49/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
90/20 = 90 × 5/20 × 5 = 450/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
10/25 = 10 × 4/25 × 4 = 40/100 - Add the two like fractions:
450/100 + 40/100 = 450 + 40/100 = 490/100 - 490/100 simplified gives 49/10
- So, 90/20 + 10/25 = 49/10
In mixed form: 49/10
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