Add 36/60 and 18/21
36/60 + 18/21 is 51/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
36/60 = 36 × 7/60 × 7 = 252/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
18/21 = 18 × 20/21 × 20 = 360/420 - Add the two like fractions:
252/420 + 360/420 = 252 + 360/420 = 612/420 - 612/420 simplified gives 51/35
- So, 36/60 + 18/21 = 51/35
In mixed form: 116/35
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