Add 7/20 and 28/16
1st number: 7/20, 2nd number: 1 12/16
7/20 + 28/16 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
7/20 = 7 × 4/20 × 4 = 28/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
28/16 = 28 × 5/16 × 5 = 140/80 - Add the two like fractions:
28/80 + 140/80 = 28 + 140/80 = 168/80 - 168/80 simplified gives 21/10
- So, 7/20 + 28/16 = 21/10
In mixed form: 21/10
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