Add 10/70 and 21/60
10/70 + 21/60 is 69/140.
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,
10/70 = 10 × 6/70 × 6 = 60/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
21/60 = 21 × 7/60 × 7 = 147/420 - Add the two like fractions:
60/420 + 147/420 = 60 + 147/420 = 207/420 - 207/420 simplified gives 69/140
- So, 10/70 + 21/60 = 69/140
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