Add 3/72 and 15/70
3/72 + 15/70 is 43/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
3/72 = 3 × 35/72 × 35 = 105/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
15/70 = 15 × 36/70 × 36 = 540/2520 - Add the two like fractions:
105/2520 + 540/2520 = 105 + 540/2520 = 645/2520 - 645/2520 simplified gives 43/168
- So, 3/72 + 15/70 = 43/168
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