Add 21/70 and 14/60
21/70 + 14/60 is 8/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
21/70 = 21 × 6/70 × 6 = 126/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
14/60 = 14 × 7/60 × 7 = 98/420 - Add the two like fractions:
126/420 + 98/420 = 126 + 98/420 = 224/420 - 224/420 simplified gives 8/15
- So, 21/70 + 14/60 = 8/15
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