Add 45/84 and 4/7
45/84 + 4/7 is 31/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
45/84 = 45 × 1/84 × 1 = 45/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
4/7 = 4 × 12/7 × 12 = 48/84 - Add the two like fractions:
45/84 + 48/84 = 45 + 48/84 = 93/84 - 93/84 simplified gives 31/28
- So, 45/84 + 4/7 = 31/28
In mixed form: 13/28
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