Add 3/90 and 72/20
1st number: 3/90, 2nd number: 3 12/20
3/90 + 72/20 is 109/30.
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,
3/90 = 3 × 2/90 × 2 = 6/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
72/20 = 72 × 9/20 × 9 = 648/180 - Add the two like fractions:
6/180 + 648/180 = 6 + 648/180 = 654/180 - 654/180 simplified gives 109/30
- So, 3/90 + 72/20 = 109/30
In mixed form: 319/30
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