Add 18/28 and 25/70
18/28 + 25/70 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
18/28 = 18 × 5/28 × 5 = 90/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
25/70 = 25 × 2/70 × 2 = 50/140 - Add the two like fractions:
90/140 + 50/140 = 90 + 50/140 = 140/140 - 140/140 simplified gives 1/1
- So, 18/28 + 25/70 = 1/1
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