Add 28/40 and 18/10
1st number: 28/40, 2nd number: 1 8/10
28/40 + 18/10 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
28/40 = 28 × 1/40 × 1 = 28/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
18/10 = 18 × 4/10 × 4 = 72/40 - Add the two like fractions:
28/40 + 72/40 = 28 + 72/40 = 100/40 - 100/40 simplified gives 5/2
- So, 28/40 + 18/10 = 5/2
In mixed form: 21/2
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