Add 30/40 and 7/84
30/40 + 7/84 is 5/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 84 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
30/40 = 30 × 21/40 × 21 = 630/840 - Likewise, for the 2nd fraction, since 84 × 10 = 840,
7/84 = 7 × 10/84 × 10 = 70/840 - Add the two like fractions:
630/840 + 70/840 = 630 + 70/840 = 700/840 - 700/840 simplified gives 5/6
- So, 30/40 + 7/84 = 5/6
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