Add 20/45 and 70/15
1st number: 20/45, 2nd number: 4 10/15
20/45 + 70/15 is 46/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
20/45 = 20 × 1/45 × 1 = 20/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
70/15 = 70 × 3/15 × 3 = 210/45 - Add the two like fractions:
20/45 + 210/45 = 20 + 210/45 = 230/45 - 230/45 simplified gives 46/9
- So, 20/45 + 70/15 = 46/9
In mixed form: 51/9
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