Add 40/72 and 9/70
40/72 + 9/70 is 431/630.
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,
40/72 = 40 × 35/72 × 35 = 1400/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
9/70 = 9 × 36/70 × 36 = 324/2520 - Add the two like fractions:
1400/2520 + 324/2520 = 1400 + 324/2520 = 1724/2520 - 1724/2520 simplified gives 431/630
- So, 40/72 + 9/70 = 431/630
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