Add 20/15 and 49/84
1st number: 1 5/15, 2nd number: 49/84
20/15 + 49/84 is 23/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
20/15 = 20 × 28/15 × 28 = 560/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
49/84 = 49 × 5/84 × 5 = 245/420 - Add the two like fractions:
560/420 + 245/420 = 560 + 245/420 = 805/420 - 805/420 simplified gives 23/12
- So, 20/15 + 49/84 = 23/12
In mixed form: 111/12
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