Add 28/72 and 27/45
28/72 + 27/45 is 89/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
28/72 = 28 × 5/72 × 5 = 140/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
27/45 = 27 × 8/45 × 8 = 216/360 - Add the two like fractions:
140/360 + 216/360 = 140 + 216/360 = 356/360 - 356/360 simplified gives 89/90
- So, 28/72 + 27/45 = 89/90
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