Add 5/70 and 18/72
5/70 + 18/72 is 9/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 70 × 36 = 2520,
5/70 = 5 × 36/70 × 36 = 180/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
18/72 = 18 × 35/72 × 35 = 630/2520 - Add the two like fractions:
180/2520 + 630/2520 = 180 + 630/2520 = 810/2520 - 810/2520 simplified gives 9/28
- So, 5/70 + 18/72 = 9/28
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