Add 12/5 and 84/72
1st number: 2 2/5, 2nd number: 1 12/72
12/5 + 84/72 is 107/30.
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,
12/5 = 12 × 72/5 × 72 = 864/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Add the two like fractions:
864/360 + 420/360 = 864 + 420/360 = 1284/360 - 1284/360 simplified gives 107/30
- So, 12/5 + 84/72 = 107/30
In mixed form: 317/30
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