Add 45/20 and 72/30
1st number: 2 5/20, 2nd number: 2 12/30
45/20 + 72/30 is 93/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
72/30 = 72 × 2/30 × 2 = 144/60 - Add the two like fractions:
135/60 + 144/60 = 135 + 144/60 = 279/60 - 279/60 simplified gives 93/20
- So, 45/20 + 72/30 = 93/20
In mixed form: 413/20
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