Add 72/84 and 1/10
72/84 + 1/10 is 67/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
72/84 = 72 × 5/84 × 5 = 360/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
1/10 = 1 × 42/10 × 42 = 42/420 - Add the two like fractions:
360/420 + 42/420 = 360 + 42/420 = 402/420 - 402/420 simplified gives 67/70
- So, 72/84 + 1/10 = 67/70
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