Add 1/70 and 75/72
1st number: 1/70, 2nd number: 1 3/72
1/70 + 75/72 is 887/840.
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,
1/70 = 1 × 36/70 × 36 = 36/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
75/72 = 75 × 35/72 × 35 = 2625/2520 - Add the two like fractions:
36/2520 + 2625/2520 = 36 + 2625/2520 = 2661/2520 - 2661/2520 simplified gives 887/840
- So, 1/70 + 75/72 = 887/840
In mixed form: 147/840
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