Add 28/12 and 45/80
1st number: 2 4/12, 2nd number: 45/80
28/12 + 45/80 is 139/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
28/12 = 28 × 20/12 × 20 = 560/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
45/80 = 45 × 3/80 × 3 = 135/240 - Add the two like fractions:
560/240 + 135/240 = 560 + 135/240 = 695/240 - 695/240 simplified gives 139/48
- So, 28/12 + 45/80 = 139/48
In mixed form: 243/48
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