Add 28/60 and 40/72
28/60 + 40/72 is 46/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 60 × 6 = 360,
28/60 = 28 × 6/60 × 6 = 168/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
40/72 = 40 × 5/72 × 5 = 200/360 - Add the two like fractions:
168/360 + 200/360 = 168 + 200/360 = 368/360 - 368/360 simplified gives 46/45
- So, 28/60 + 40/72 = 46/45
In mixed form: 11/45
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