Add 18/84 and 15/16
18/84 + 15/16 is 129/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
18/84 = 18 × 4/84 × 4 = 72/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
15/16 = 15 × 21/16 × 21 = 315/336 - Add the two like fractions:
72/336 + 315/336 = 72 + 315/336 = 387/336 - 387/336 simplified gives 129/112
- So, 18/84 + 15/16 = 129/112
In mixed form: 117/112
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