Add 4/30 and 81/18
1st number: 4/30, 2nd number: 4 9/18
4/30 + 81/18 is 139/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
4/30 = 4 × 3/30 × 3 = 12/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
81/18 = 81 × 5/18 × 5 = 405/90 - Add the two like fractions:
12/90 + 405/90 = 12 + 405/90 = 417/90 - 417/90 simplified gives 139/30
- So, 4/30 + 81/18 = 139/30
In mixed form: 419/30
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