Add 70/72 and 84/45
1st number: 70/72, 2nd number: 1 39/45
70/72 + 84/45 is 511/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
84/45 = 84 × 8/45 × 8 = 672/360 - Add the two like fractions:
350/360 + 672/360 = 350 + 672/360 = 1022/360 - 1022/360 simplified gives 511/180
- So, 70/72 + 84/45 = 511/180
In mixed form: 2151/180
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