Add 48/81 and 45/70
48/81 + 45/70 is 467/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 70 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 81 × 70 = 5670,
48/81 = 48 × 70/81 × 70 = 3360/5670 - Likewise, for the 2nd fraction, since 70 × 81 = 5670,
45/70 = 45 × 81/70 × 81 = 3645/5670 - Add the two like fractions:
3360/5670 + 3645/5670 = 3360 + 3645/5670 = 7005/5670 - 7005/5670 simplified gives 467/378
- So, 48/81 + 45/70 = 467/378
In mixed form: 189/378
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