Add 72/70 and 40/72
1st number: 1 2/70, 2nd number: 40/72
72/70 + 40/72 is 499/315.
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,
72/70 = 72 × 36/70 × 36 = 2592/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
40/72 = 40 × 35/72 × 35 = 1400/2520 - Add the two like fractions:
2592/2520 + 1400/2520 = 2592 + 1400/2520 = 3992/2520 - 3992/2520 simplified gives 499/315
- So, 72/70 + 40/72 = 499/315
In mixed form: 1184/315
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