Add 84/72 and 7/5
1st number: 1 12/72, 2nd number: 1 2/5
84/72 + 7/5 is 77/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
7/5 = 7 × 72/5 × 72 = 504/360 - Add the two like fractions:
420/360 + 504/360 = 420 + 504/360 = 924/360 - 924/360 simplified gives 77/30
- So, 84/72 + 7/5 = 77/30
In mixed form: 217/30
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