Add 28/42 and 72/7
1st number: 28/42, 2nd number: 10 2/7
28/42 + 72/7 is 230/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
28/42 = 28 × 1/42 × 1 = 28/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
72/7 = 72 × 6/7 × 6 = 432/42 - Add the two like fractions:
28/42 + 432/42 = 28 + 432/42 = 460/42 - 460/42 simplified gives 230/21
- So, 28/42 + 72/7 = 230/21
In mixed form: 1020/21
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