Add 12/30 and 28/72
12/30 + 28/72 is 71/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
12/30 = 12 × 12/30 × 12 = 144/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
28/72 = 28 × 5/72 × 5 = 140/360 - Add the two like fractions:
144/360 + 140/360 = 144 + 140/360 = 284/360 - 284/360 simplified gives 71/90
- So, 12/30 + 28/72 = 71/90
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