Add 70/75 and 75/72
1st number: 70/75, 2nd number: 1 3/72
70/75 + 75/72 is 79/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 75 × 24 = 1800,
70/75 = 70 × 24/75 × 24 = 1680/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
75/72 = 75 × 25/72 × 25 = 1875/1800 - Add the two like fractions:
1680/1800 + 1875/1800 = 1680 + 1875/1800 = 3555/1800 - 3555/1800 simplified gives 79/40
- So, 70/75 + 75/72 = 79/40
In mixed form: 139/40
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