Add 20/28 and 45/16
1st number: 20/28, 2nd number: 2 13/16
20/28 + 45/16 is 395/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 28 × 4 = 112,
20/28 = 20 × 4/28 × 4 = 80/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
45/16 = 45 × 7/16 × 7 = 315/112 - Add the two like fractions:
80/112 + 315/112 = 80 + 315/112 = 395/112 - So, 20/28 + 45/16 = 395/112
In mixed form: 359/112
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