Add 20/40 and 45/30
1st number: 20/40, 2nd number: 1 15/30
20/40 + 45/30 is 2/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
20/40 = 20 × 3/40 × 3 = 60/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
45/30 = 45 × 4/30 × 4 = 180/120 - Add the two like fractions:
60/120 + 180/120 = 60 + 180/120 = 240/120 - 240/120 simplified gives 2/1
- So, 20/40 + 45/30 = 2/1
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