Add 1/72 and 90/20
1st number: 1/72, 2nd number: 4 10/20
1/72 + 90/20 is 325/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
1/72 = 1 × 5/72 × 5 = 5/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
90/20 = 90 × 18/20 × 18 = 1620/360 - Add the two like fractions:
5/360 + 1620/360 = 5 + 1620/360 = 1625/360 - 1625/360 simplified gives 325/72
- So, 1/72 + 90/20 = 325/72
In mixed form: 437/72
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