Add 20/16 and 40/28
1st number: 1 4/16, 2nd number: 1 12/28
20/16 + 40/28 is 75/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 28 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
20/16 = 20 × 7/16 × 7 = 140/112 - Likewise, for the 2nd fraction, since 28 × 4 = 112,
40/28 = 40 × 4/28 × 4 = 160/112 - Add the two like fractions:
140/112 + 160/112 = 140 + 160/112 = 300/112 - 300/112 simplified gives 75/28
- So, 20/16 + 40/28 = 75/28
In mixed form: 219/28
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