Add 72/40 and 42/60
1st number: 1 32/40, 2nd number: 42/60
72/40 + 42/60 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 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 60 × 2 = 120,
42/60 = 42 × 2/60 × 2 = 84/120 - Add the two like fractions:
216/120 + 84/120 = 216 + 84/120 = 300/120 - 300/120 simplified gives 5/2
- So, 72/40 + 42/60 = 5/2
In mixed form: 21/2
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