Add 18/28 and 81/16
1st number: 18/28, 2nd number: 5 1/16
18/28 + 81/16 is 639/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 28 × 4 = 112,
18/28 = 18 × 4/28 × 4 = 72/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
81/16 = 81 × 7/16 × 7 = 567/112 - Add the two like fractions:
72/112 + 567/112 = 72 + 567/112 = 639/112 - So, 18/28 + 81/16 = 639/112
In mixed form: 579/112
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