Add 30/90 and 72/18
1st number: 30/90, 2nd number: 4 0/18
30/90 + 72/18 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
72/18 = 72 × 5/18 × 5 = 360/90 - Add the two like fractions:
30/90 + 360/90 = 30 + 360/90 = 390/90 - 390/90 simplified gives 13/3
- So, 30/90 + 72/18 = 13/3
In mixed form: 41/3
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