Add 28/10 and 7/5
1st number: 2 8/10, 2nd number: 1 2/5
28/10 + 7/5 is 21/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
28/10 = 28 × 1/10 × 1 = 28/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
7/5 = 7 × 2/5 × 2 = 14/10 - Add the two like fractions:
28/10 + 14/10 = 28 + 14/10 = 42/10 - 42/10 simplified gives 21/5
- So, 28/10 + 7/5 = 21/5
In mixed form: 41/5
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