Add 72/70 and 70/72
1st number: 1 2/70, 2nd number: 70/72
72/70 + 70/72 is 2521/1260.
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,
70/72 = 70 × 35/72 × 35 = 2450/2520 - Add the two like fractions:
2592/2520 + 2450/2520 = 2592 + 2450/2520 = 5042/2520 - 5042/2520 simplified gives 2521/1260
- So, 72/70 + 70/72 = 2521/1260
In mixed form: 21/1260
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