Add 9/72 and 63/70
9/72 + 63/70 is 41/40.
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,
9/72 = 9 × 35/72 × 35 = 315/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
63/70 = 63 × 36/70 × 36 = 2268/2520 - Add the two like fractions:
315/2520 + 2268/2520 = 315 + 2268/2520 = 2583/2520 - 2583/2520 simplified gives 41/40
- So, 9/72 + 63/70 = 41/40
In mixed form: 11/40
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