Add 72/32 and 42/20
1st number: 2 8/32, 2nd number: 2 2/20
72/32 + 42/20 is 87/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 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 20 × 8 = 160,
42/20 = 42 × 8/20 × 8 = 336/160 - Add the two like fractions:
360/160 + 336/160 = 360 + 336/160 = 696/160 - 696/160 simplified gives 87/20
- So, 72/32 + 42/20 = 87/20
In mixed form: 47/20
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