Add 72/40 and 80/20
1st number: 1 32/40, 2nd number: 4 0/20
72/40 + 80/20 is 29/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
72/40 = 72 × 1/40 × 1 = 72/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
80/20 = 80 × 2/20 × 2 = 160/40 - Add the two like fractions:
72/40 + 160/40 = 72 + 160/40 = 232/40 - 232/40 simplified gives 29/5
- So, 72/40 + 80/20 = 29/5
In mixed form: 54/5
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