Add 3/4 and 72/20
1st number: 3/4, 2nd number: 3 12/20
3/4 + 72/20 is 87/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
3/4 = 3 × 5/4 × 5 = 15/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
72/20 = 72 × 1/20 × 1 = 72/20 - Add the two like fractions:
15/20 + 72/20 = 15 + 72/20 = 87/20 - So, 3/4 + 72/20 = 87/20
In mixed form: 47/20
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