Add 72/16 and 84/90
1st number: 4 8/16, 2nd number: 84/90
72/16 + 84/90 is 163/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
72/16 = 72 × 45/16 × 45 = 3240/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
84/90 = 84 × 8/90 × 8 = 672/720 - Add the two like fractions:
3240/720 + 672/720 = 3240 + 672/720 = 3912/720 - 3912/720 simplified gives 163/30
- So, 72/16 + 84/90 = 163/30
In mixed form: 513/30
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