Add 15/45 and 70/84
15/45 + 70/84 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
15/45 = 15 × 28/45 × 28 = 420/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
70/84 = 70 × 15/84 × 15 = 1050/1260 - Add the two like fractions:
420/1260 + 1050/1260 = 420 + 1050/1260 = 1470/1260 - 1470/1260 simplified gives 7/6
- So, 15/45 + 70/84 = 7/6
In mixed form: 11/6
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