Add 30/54 and 70/45
1st number: 30/54, 2nd number: 1 25/45
30/54 + 70/45 is 19/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
30/54 = 30 × 5/54 × 5 = 150/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
70/45 = 70 × 6/45 × 6 = 420/270 - Add the two like fractions:
150/270 + 420/270 = 150 + 420/270 = 570/270 - 570/270 simplified gives 19/9
- So, 30/54 + 70/45 = 19/9
In mixed form: 21/9
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