Add 81/20 and 70/48
1st number: 4 1/20, 2nd number: 1 22/48
81/20 + 70/48 is 661/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 20 × 12 = 240,
81/20 = 81 × 12/20 × 12 = 972/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
70/48 = 70 × 5/48 × 5 = 350/240 - Add the two like fractions:
972/240 + 350/240 = 972 + 350/240 = 1322/240 - 1322/240 simplified gives 661/120
- So, 81/20 + 70/48 = 661/120
In mixed form: 561/120
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