Add 72/32 and 42/40
1st number: 2 8/32, 2nd number: 1 2/40
72/32 + 42/40 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 40 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
72/32 = 72 × 5/32 × 5 = 360/160 - Likewise, for the 2nd fraction, since 40 × 4 = 160,
42/40 = 42 × 4/40 × 4 = 168/160 - Add the two like fractions:
360/160 + 168/160 = 360 + 168/160 = 528/160 - 528/160 simplified gives 33/10
- So, 72/32 + 42/40 = 33/10
In mixed form: 33/10
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