Add 72/36 and 30/70
1st number: 2 0/36, 2nd number: 30/70
72/36 + 30/70 is 17/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
72/36 = 72 × 35/36 × 35 = 2520/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
30/70 = 30 × 18/70 × 18 = 540/1260 - Add the two like fractions:
2520/1260 + 540/1260 = 2520 + 540/1260 = 3060/1260 - 3060/1260 simplified gives 17/7
- So, 72/36 + 30/70 = 17/7
In mixed form: 23/7
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