Add 6/72 and 90/45
1st number: 6/72, 2nd number: 2 0/45
6/72 + 90/45 is 25/12.
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,
6/72 = 6 × 5/72 × 5 = 30/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
90/45 = 90 × 8/45 × 8 = 720/360 - Add the two like fractions:
30/360 + 720/360 = 30 + 720/360 = 750/360 - 750/360 simplified gives 25/12
- So, 6/72 + 90/45 = 25/12
In mixed form: 21/12
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