Add 7/30 and 81/20
1st number: 7/30, 2nd number: 4 1/20
7/30 + 81/20 is 257/60.
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,
7/30 = 7 × 2/30 × 2 = 14/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
81/20 = 81 × 3/20 × 3 = 243/60 - Add the two like fractions:
14/60 + 243/60 = 14 + 243/60 = 257/60 - So, 7/30 + 81/20 = 257/60
In mixed form: 417/60
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