Add 20/60 and 90/40
1st number: 20/60, 2nd number: 2 10/40
20/60 + 90/40 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
20/60 = 20 × 2/60 × 2 = 40/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
90/40 = 90 × 3/40 × 3 = 270/120 - Add the two like fractions:
40/120 + 270/120 = 40 + 270/120 = 310/120 - 310/120 simplified gives 31/12
- So, 20/60 + 90/40 = 31/12
In mixed form: 27/12
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