Add 7/8 and 45/84
7/8 + 45/84 is 79/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
7/8 = 7 × 21/8 × 21 = 147/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
45/84 = 45 × 2/84 × 2 = 90/168 - Add the two like fractions:
147/168 + 90/168 = 147 + 90/168 = 237/168 - 237/168 simplified gives 79/56
- So, 7/8 + 45/84 = 79/56
In mixed form: 123/56
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