Add 72/32 and 28/42
1st number: 2 8/32, 2nd number: 28/42
72/32 + 28/42 is 35/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 42 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
72/32 = 72 × 21/32 × 21 = 1512/672 - Likewise, for the 2nd fraction, since 42 × 16 = 672,
28/42 = 28 × 16/42 × 16 = 448/672 - Add the two like fractions:
1512/672 + 448/672 = 1512 + 448/672 = 1960/672 - 1960/672 simplified gives 35/12
- So, 72/32 + 28/42 = 35/12
In mixed form: 211/12
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