Add 28/84 and 56/40
1st number: 28/84, 2nd number: 1 16/40
28/84 + 56/40 is 26/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 84 × 10 = 840,
28/84 = 28 × 10/84 × 10 = 280/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
56/40 = 56 × 21/40 × 21 = 1176/840 - Add the two like fractions:
280/840 + 1176/840 = 280 + 1176/840 = 1456/840 - 1456/840 simplified gives 26/15
- So, 28/84 + 56/40 = 26/15
In mixed form: 111/15
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