Add 40/60 and 81/70
1st number: 40/60, 2nd number: 1 11/70
40/60 + 81/70 is 383/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
40/60 = 40 × 7/60 × 7 = 280/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
81/70 = 81 × 6/70 × 6 = 486/420 - Add the two like fractions:
280/420 + 486/420 = 280 + 486/420 = 766/420 - 766/420 simplified gives 383/210
- So, 40/60 + 81/70 = 383/210
In mixed form: 1173/210
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