Add 72/45 and 14/20
1st number: 1 27/45, 2nd number: 14/20
72/45 + 14/20 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
72/45 = 72 × 4/45 × 4 = 288/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
14/20 = 14 × 9/20 × 9 = 126/180 - Add the two like fractions:
288/180 + 126/180 = 288 + 126/180 = 414/180 - 414/180 simplified gives 23/10
- So, 72/45 + 14/20 = 23/10
In mixed form: 23/10
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