Add 28/10 and 7/45
1st number: 2 8/10, 2nd number: 7/45
28/10 + 7/45 is 133/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 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 45 × 2 = 90,
7/45 = 7 × 2/45 × 2 = 14/90 - Add the two like fractions:
252/90 + 14/90 = 252 + 14/90 = 266/90 - 266/90 simplified gives 133/45
- So, 28/10 + 7/45 = 133/45
In mixed form: 243/45
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