Add 84/15 and 54/72
1st number: 5 9/15, 2nd number: 54/72
84/15 + 54/72 is 127/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
84/15 = 84 × 24/15 × 24 = 2016/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
54/72 = 54 × 5/72 × 5 = 270/360 - Add the two like fractions:
2016/360 + 270/360 = 2016 + 270/360 = 2286/360 - 2286/360 simplified gives 127/20
- So, 84/15 + 54/72 = 127/20
In mixed form: 67/20
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