Add 9/5 and 84/72
1st number: 1 4/5, 2nd number: 1 12/72
9/5 + 84/72 is 89/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
9/5 = 9 × 72/5 × 72 = 648/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Add the two like fractions:
648/360 + 420/360 = 648 + 420/360 = 1068/360 - 1068/360 simplified gives 89/30
- So, 9/5 + 84/72 = 89/30
In mixed form: 229/30
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