Add 72/90 and 90/20
1st number: 72/90, 2nd number: 4 10/20
72/90 + 90/20 is 53/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
72/90 = 72 × 2/90 × 2 = 144/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
90/20 = 90 × 9/20 × 9 = 810/180 - Add the two like fractions:
144/180 + 810/180 = 144 + 810/180 = 954/180 - 954/180 simplified gives 53/10
- So, 72/90 + 90/20 = 53/10
In mixed form: 53/10
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