Add 35/20 and 72/90
1st number: 1 15/20, 2nd number: 72/90
35/20 + 72/90 is 51/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
35/20 = 35 × 9/20 × 9 = 315/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
72/90 = 72 × 2/90 × 2 = 144/180 - Add the two like fractions:
315/180 + 144/180 = 315 + 144/180 = 459/180 - 459/180 simplified gives 51/20
- So, 35/20 + 72/90 = 51/20
In mixed form: 211/20
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