Add 30/18 and 9/80
1st number: 1 12/18, 2nd number: 9/80
30/18 + 9/80 is 427/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
30/18 = 30 × 40/18 × 40 = 1200/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
9/80 = 9 × 9/80 × 9 = 81/720 - Add the two like fractions:
1200/720 + 81/720 = 1200 + 81/720 = 1281/720 - 1281/720 simplified gives 427/240
- So, 30/18 + 9/80 = 427/240
In mixed form: 1187/240
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