Add 72/18 and 90/30
1st number: 4 0/18, 2nd number: 3 0/30
72/18 + 90/30 is 7/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
72/18 = 72 × 5/18 × 5 = 360/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
90/30 = 90 × 3/30 × 3 = 270/90 - Add the two like fractions:
360/90 + 270/90 = 360 + 270/90 = 630/90 - 630/90 simplified gives 7/1
- So, 72/18 + 90/30 = 7/1
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