Add 45/30 and 30/20
1st number: 1 15/30, 2nd number: 1 10/20
45/30 + 30/20 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
45/30 = 45 × 2/30 × 2 = 90/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
30/20 = 30 × 3/20 × 3 = 90/60 - Add the two like fractions:
90/60 + 90/60 = 90 + 90/60 = 180/60 - 180/60 simplified gives 3/1
- So, 45/30 + 30/20 = 3/1
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