Add 1/84 and 75/40
1st number: 1/84, 2nd number: 1 35/40
1/84 + 75/40 is 317/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 84 × 10 = 840,
1/84 = 1 × 10/84 × 10 = 10/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
75/40 = 75 × 21/40 × 21 = 1575/840 - Add the two like fractions:
10/840 + 1575/840 = 10 + 1575/840 = 1585/840 - 1585/840 simplified gives 317/168
- So, 1/84 + 75/40 = 317/168
In mixed form: 1149/168
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