Add 72/42 and 60/54
1st number: 1 30/42, 2nd number: 1 6/54
72/42 + 60/54 is 178/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
72/42 = 72 × 9/42 × 9 = 648/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
60/54 = 60 × 7/54 × 7 = 420/378 - Add the two like fractions:
648/378 + 420/378 = 648 + 420/378 = 1068/378 - 1068/378 simplified gives 178/63
- So, 72/42 + 60/54 = 178/63
In mixed form: 252/63
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