Add 72/2 and 70/20
1st number: 36 0/2, 2nd number: 3 10/20
72/2 + 70/20 is 79/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
72/2 = 72 × 10/2 × 10 = 720/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
70/20 = 70 × 1/20 × 1 = 70/20 - Add the two like fractions:
720/20 + 70/20 = 720 + 70/20 = 790/20 - 790/20 simplified gives 79/2
- So, 72/2 + 70/20 = 79/2
In mixed form: 391/2
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