Add 28/36 and 42/40
1st number: 28/36, 2nd number: 1 2/40
28/36 + 42/40 is 329/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 36 × 10 = 360,
28/36 = 28 × 10/36 × 10 = 280/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
42/40 = 42 × 9/40 × 9 = 378/360 - Add the two like fractions:
280/360 + 378/360 = 280 + 378/360 = 658/360 - 658/360 simplified gives 329/180
- So, 28/36 + 42/40 = 329/180
In mixed form: 1149/180
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