Add 16/60 and 18/70
16/60 + 18/70 is 11/21.
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,
16/60 = 16 × 7/60 × 7 = 112/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
18/70 = 18 × 6/70 × 6 = 108/420 - Add the two like fractions:
112/420 + 108/420 = 112 + 108/420 = 220/420 - 220/420 simplified gives 11/21
- So, 16/60 + 18/70 = 11/21
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