Add 7/70 and 75/84
7/70 + 75/84 is 139/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
7/70 = 7 × 6/70 × 6 = 42/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
75/84 = 75 × 5/84 × 5 = 375/420 - Add the two like fractions:
42/420 + 375/420 = 42 + 375/420 = 417/420 - 417/420 simplified gives 139/140
- So, 7/70 + 75/84 = 139/140
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