Add 81/28 and 63/5
1st number: 2 25/28, 2nd number: 12 3/5
81/28 + 63/5 is 2169/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
81/28 = 81 × 5/28 × 5 = 405/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
63/5 = 63 × 28/5 × 28 = 1764/140 - Add the two like fractions:
405/140 + 1764/140 = 405 + 1764/140 = 2169/140 - So, 81/28 + 63/5 = 2169/140
In mixed form: 1569/140
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