Add 72/60 and 21/36
1st number: 1 12/60, 2nd number: 21/36
72/60 + 21/36 is 107/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
72/60 = 72 × 3/60 × 3 = 216/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
21/36 = 21 × 5/36 × 5 = 105/180 - Add the two like fractions:
216/180 + 105/180 = 216 + 105/180 = 321/180 - 321/180 simplified gives 107/60
- So, 72/60 + 21/36 = 107/60
In mixed form: 147/60
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