Add 28/8 and 40/7
1st number: 3 4/8, 2nd number: 5 5/7
28/8 + 40/7 is 129/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
28/8 = 28 × 7/8 × 7 = 196/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
40/7 = 40 × 8/7 × 8 = 320/56 - Add the two like fractions:
196/56 + 320/56 = 196 + 320/56 = 516/56 - 516/56 simplified gives 129/14
- So, 28/8 + 40/7 = 129/14
In mixed form: 93/14
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