Add 72/45 and 70/54
1st number: 1 27/45, 2nd number: 1 16/54
72/45 + 70/54 is 391/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
72/45 = 72 × 6/45 × 6 = 432/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
70/54 = 70 × 5/54 × 5 = 350/270 - Add the two like fractions:
432/270 + 350/270 = 432 + 350/270 = 782/270 - 782/270 simplified gives 391/135
- So, 72/45 + 70/54 = 391/135
In mixed form: 2121/135
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