Add 72/45 and 70/84
1st number: 1 27/45, 2nd number: 70/84
72/45 + 70/84 is 73/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
72/45 = 72 × 28/45 × 28 = 2016/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
70/84 = 70 × 15/84 × 15 = 1050/1260 - Add the two like fractions:
2016/1260 + 1050/1260 = 2016 + 1050/1260 = 3066/1260 - 3066/1260 simplified gives 73/30
- So, 72/45 + 70/84 = 73/30
In mixed form: 213/30
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