Add 81/28 and 40/5
1st number: 2 25/28, 2nd number: 8 0/5
81/28 + 40/5 is 305/28.
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,
40/5 = 40 × 28/5 × 28 = 1120/140 - Add the two like fractions:
405/140 + 1120/140 = 405 + 1120/140 = 1525/140 - 1525/140 simplified gives 305/28
- So, 81/28 + 40/5 = 305/28
In mixed form: 1025/28
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