Add 72/40 and 7/12
1st number: 1 32/40, 2nd number: 7/12
72/40 + 7/12 is 143/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
72/40 = 72 × 3/40 × 3 = 216/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
7/12 = 7 × 10/12 × 10 = 70/120 - Add the two like fractions:
216/120 + 70/120 = 216 + 70/120 = 286/120 - 286/120 simplified gives 143/60
- So, 72/40 + 7/12 = 143/60
In mixed form: 223/60
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