Add 4/70 and 3/72
4/70 + 3/72 is 83/840.
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,
4/70 = 4 × 36/70 × 36 = 144/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
3/72 = 3 × 35/72 × 35 = 105/2520 - Add the two like fractions:
144/2520 + 105/2520 = 144 + 105/2520 = 249/2520 - 249/2520 simplified gives 83/840
- So, 4/70 + 3/72 = 83/840
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