Add 72/45 and 18/28
1st number: 1 27/45, 2nd number: 18/28
72/45 + 18/28 is 157/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 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 28 × 45 = 1260,
18/28 = 18 × 45/28 × 45 = 810/1260 - Add the two like fractions:
2016/1260 + 810/1260 = 2016 + 810/1260 = 2826/1260 - 2826/1260 simplified gives 157/70
- So, 72/45 + 18/28 = 157/70
In mixed form: 217/70
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