Add 20/60 and 36/70
20/60 + 36/70 is 89/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
20/60 = 20 × 7/60 × 7 = 140/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
36/70 = 36 × 6/70 × 6 = 216/420 - Add the two like fractions:
140/420 + 216/420 = 140 + 216/420 = 356/420 - 356/420 simplified gives 89/105
- So, 20/60 + 36/70 = 89/105
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