Add 28/10 and 4/90
1st number: 2 8/10, 2nd number: 4/90
28/10 + 4/90 is 128/45.
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,
4/90 = 4 × 1/90 × 1 = 4/90 - Add the two like fractions:
252/90 + 4/90 = 252 + 4/90 = 256/90 - 256/90 simplified gives 128/45
- So, 28/10 + 4/90 = 128/45
In mixed form: 238/45
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