Add 70/15 and 28/45
1st number: 4 10/15, 2nd number: 28/45
70/15 + 28/45 is 238/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
70/15 = 70 × 3/15 × 3 = 210/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
28/45 = 28 × 1/45 × 1 = 28/45 - Add the two like fractions:
210/45 + 28/45 = 210 + 28/45 = 238/45 - So, 70/15 + 28/45 = 238/45
In mixed form: 513/45
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