Add 72/30 and 49/20
1st number: 2 12/30, 2nd number: 2 9/20
72/30 + 49/20 is 97/20.
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,
72/30 = 72 × 2/30 × 2 = 144/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
49/20 = 49 × 3/20 × 3 = 147/60 - Add the two like fractions:
144/60 + 147/60 = 144 + 147/60 = 291/60 - 291/60 simplified gives 97/20
- So, 72/30 + 49/20 = 97/20
In mixed form: 417/20
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