Add 72/30 and 40/54
1st number: 2 12/30, 2nd number: 40/54
72/30 + 40/54 is 424/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
72/30 = 72 × 9/30 × 9 = 648/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
40/54 = 40 × 5/54 × 5 = 200/270 - Add the two like fractions:
648/270 + 200/270 = 648 + 200/270 = 848/270 - 848/270 simplified gives 424/135
- So, 72/30 + 40/54 = 424/135
In mixed form: 319/135
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