Add 84/45 and 90/56
1st number: 1 39/45, 2nd number: 1 34/56
84/45 + 90/56 is 1459/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
84/45 = 84 × 56/45 × 56 = 4704/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
90/56 = 90 × 45/56 × 45 = 4050/2520 - Add the two like fractions:
4704/2520 + 4050/2520 = 4704 + 4050/2520 = 8754/2520 - 8754/2520 simplified gives 1459/420
- So, 84/45 + 90/56 = 1459/420
In mixed form: 3199/420
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Related: 84/90+90/56