Add 72/30 and 28/80
1st number: 2 12/30, 2nd number: 28/80
72/30 + 28/80 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
72/30 = 72 × 8/30 × 8 = 576/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
28/80 = 28 × 3/80 × 3 = 84/240 - Add the two like fractions:
576/240 + 84/240 = 576 + 84/240 = 660/240 - 660/240 simplified gives 11/4
- So, 72/30 + 28/80 = 11/4
In mixed form: 23/4
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