Add 30/80 and 84/72
1st number: 30/80, 2nd number: 1 12/72
30/80 + 84/72 is 37/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
30/80 = 30 × 9/80 × 9 = 270/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
84/72 = 84 × 10/72 × 10 = 840/720 - Add the two like fractions:
270/720 + 840/720 = 270 + 840/720 = 1110/720 - 1110/720 simplified gives 37/24
- So, 30/80 + 84/72 = 37/24
In mixed form: 113/24
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