Add 28/10 and 63/90
1st number: 2 8/10, 2nd number: 63/90
28/10 + 63/90 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
28/10 = 28 × 9/10 × 9 = 252/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
63/90 = 63 × 1/90 × 1 = 63/90 - Add the two like fractions:
252/90 + 63/90 = 252 + 63/90 = 315/90 - 315/90 simplified gives 7/2
- So, 28/10 + 63/90 = 7/2
In mixed form: 31/2
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