Add 10/70 and 21/28
10/70 + 21/28 is 25/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
10/70 = 10 × 2/70 × 2 = 20/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
21/28 = 21 × 5/28 × 5 = 105/140 - Add the two like fractions:
20/140 + 105/140 = 20 + 105/140 = 125/140 - 125/140 simplified gives 25/28
- So, 10/70 + 21/28 = 25/28
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