Add 42/30 and 45/20
1st number: 1 12/30, 2nd number: 2 5/20
42/30 + 45/20 is 73/20.
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,
42/30 = 42 × 2/30 × 2 = 84/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Add the two like fractions:
84/60 + 135/60 = 84 + 135/60 = 219/60 - 219/60 simplified gives 73/20
- So, 42/30 + 45/20 = 73/20
In mixed form: 313/20
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