Add 70/45 and 90/56
1st number: 1 25/45, 2nd number: 1 34/56
70/45 + 90/56 is 797/252.
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,
70/45 = 70 × 56/45 × 56 = 3920/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
90/56 = 90 × 45/56 × 45 = 4050/2520 - Add the two like fractions:
3920/2520 + 4050/2520 = 3920 + 4050/2520 = 7970/2520 - 7970/2520 simplified gives 797/252
- So, 70/45 + 90/56 = 797/252
In mixed form: 341/252
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Related: 70/90+90/56