Add 28/30 and 12/72
28/30 + 12/72 is 11/10.
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,
28/30 = 28 × 12/30 × 12 = 336/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
12/72 = 12 × 5/72 × 5 = 60/360 - Add the two like fractions:
336/360 + 60/360 = 336 + 60/360 = 396/360 - 396/360 simplified gives 11/10
- So, 28/30 + 12/72 = 11/10
In mixed form: 11/10
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