Add 28/7 and 20/16
1st number: 4 0/7, 2nd number: 1 4/16
28/7 + 20/16 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
28/7 = 28 × 16/7 × 16 = 448/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
20/16 = 20 × 7/16 × 7 = 140/112 - Add the two like fractions:
448/112 + 140/112 = 448 + 140/112 = 588/112 - 588/112 simplified gives 21/4
- So, 28/7 + 20/16 = 21/4
In mixed form: 51/4
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