Add 72/45 and 30/60
1st number: 1 27/45, 2nd number: 30/60
72/45 + 30/60 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 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 60 × 3 = 180,
30/60 = 30 × 3/60 × 3 = 90/180 - Add the two like fractions:
288/180 + 90/180 = 288 + 90/180 = 378/180 - 378/180 simplified gives 21/10
- So, 72/45 + 30/60 = 21/10
In mixed form: 21/10
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