Add 20/30 and 49/56
20/30 + 49/56 is 37/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
20/30 = 20 × 28/30 × 28 = 560/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
49/56 = 49 × 15/56 × 15 = 735/840 - Add the two like fractions:
560/840 + 735/840 = 560 + 735/840 = 1295/840 - 1295/840 simplified gives 37/24
- So, 20/30 + 49/56 = 37/24
In mixed form: 113/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30+49/56 20/30+98/56 20/60+49/56 60/30+49/56 20/90+49/56