Add 30/45 and 30/72
30/45 + 30/72 is 13/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
30/45 = 30 × 8/45 × 8 = 240/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
30/72 = 30 × 5/72 × 5 = 150/360 - Add the two like fractions:
240/360 + 150/360 = 240 + 150/360 = 390/360 - 390/360 simplified gives 13/12
- So, 30/45 + 30/72 = 13/12
In mixed form: 11/12
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