Add 49/15 and 84/40
1st number: 3 4/15, 2nd number: 2 4/40
49/15 + 84/40 is 161/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
49/15 = 49 × 8/15 × 8 = 392/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
84/40 = 84 × 3/40 × 3 = 252/120 - Add the two like fractions:
392/120 + 252/120 = 392 + 252/120 = 644/120 - 644/120 simplified gives 161/30
- So, 49/15 + 84/40 = 161/30
In mixed form: 511/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/15+84/40 49/30+84/40 49/15+84/80 49/45+84/40 49/75+84/40