Add 28/15 and 40/84
1st number: 1 13/15, 2nd number: 40/84
28/15 + 40/84 is 82/35.
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,
28/15 = 28 × 28/15 × 28 = 784/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
40/84 = 40 × 5/84 × 5 = 200/420 - Add the two like fractions:
784/420 + 200/420 = 784 + 200/420 = 984/420 - 984/420 simplified gives 82/35
- So, 28/15 + 40/84 = 82/35
In mixed form: 212/35
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