Add 28/3 and 45/20
1st number: 9 1/3, 2nd number: 2 5/20
28/3 + 45/20 is 139/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
28/3 = 28 × 20/3 × 20 = 560/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Add the two like fractions:
560/60 + 135/60 = 560 + 135/60 = 695/60 - 695/60 simplified gives 139/12
- So, 28/3 + 45/20 = 139/12
In mixed form: 117/12
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