Add 90/20 and 2/5
1st number: 4 10/20, 2nd number: 2/5
90/20 + 2/5 is 49/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
90/20 = 90 × 1/20 × 1 = 90/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
2/5 = 2 × 4/5 × 4 = 8/20 - Add the two like fractions:
90/20 + 8/20 = 90 + 8/20 = 98/20 - 98/20 simplified gives 49/10
- So, 90/20 + 2/5 = 49/10
In mixed form: 49/10
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