Add 9/70 and 45/72
9/70 + 45/72 is 211/280.
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,
9/70 = 9 × 36/70 × 36 = 324/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
45/72 = 45 × 35/72 × 35 = 1575/2520 - Add the two like fractions:
324/2520 + 1575/2520 = 324 + 1575/2520 = 1899/2520 - 1899/2520 simplified gives 211/280
- So, 9/70 + 45/72 = 211/280
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