Add 63/3 and 72/90
1st number: 21 0/3, 2nd number: 72/90
63/3 + 72/90 is 109/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
63/3 = 63 × 30/3 × 30 = 1890/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
72/90 = 72 × 1/90 × 1 = 72/90 - Add the two like fractions:
1890/90 + 72/90 = 1890 + 72/90 = 1962/90 - 1962/90 simplified gives 109/5
- So, 63/3 + 72/90 = 109/5
In mixed form: 214/5
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