Add 3/5 and 21/36
3/5 + 21/36 is 71/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 5 × 36 = 180,
3/5 = 3 × 36/5 × 36 = 108/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
21/36 = 21 × 5/36 × 5 = 105/180 - Add the two like fractions:
108/180 + 105/180 = 108 + 105/180 = 213/180 - 213/180 simplified gives 71/60
- So, 3/5 + 21/36 = 71/60
In mixed form: 111/60
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