Add 72/42 and 21/48
1st number: 1 30/42, 2nd number: 21/48
72/42 + 21/48 is 241/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
72/42 = 72 × 8/42 × 8 = 576/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Add the two like fractions:
576/336 + 147/336 = 576 + 147/336 = 723/336 - 723/336 simplified gives 241/112
- So, 72/42 + 21/48 = 241/112
In mixed form: 217/112
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