Add 28/10 and 81/7
1st number: 2 8/10, 2nd number: 11 4/7
28/10 + 81/7 is 503/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
28/10 = 28 × 7/10 × 7 = 196/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
81/7 = 81 × 10/7 × 10 = 810/70 - Add the two like fractions:
196/70 + 810/70 = 196 + 810/70 = 1006/70 - 1006/70 simplified gives 503/35
- So, 28/10 + 81/7 = 503/35
In mixed form: 1413/35
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